Home / 346,451.50-478,103.07-195,558.22

Finding the Fourth Proportional to 346,451.50, 478,103.07 and 195,558.22

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Solution

The fourth proportional to 346,451.50, 478,103.07 and 195,558.22 is: 269,870.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,451.50 : 478,103.07 = 195,558.22 : x
  2. Step 2: Convert to fraction form
    346,451.50/478,103.07 = 195,558.22/x
  3. Step 3: Cross multiply
    346,451.50x = 478,103.07 × 195,558.22
  4. Step 4: Simplify right side
    346,451.50x = 93,496,985,345.74
  5. Step 5: Solve for x
    x = 93,496,985,345.74/346,451.50
  6. Step 6: Final answer
    x = 269,870.34

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Double scale
Find fourth proportional to 346,452.50, 478,104.45 and 195,559.22
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.