Home / 346,464.50-478,121.04-195,571.22

Finding the Fourth Proportional to 346,464.50, 478,121.04 and 195,571.22

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Solution

The fourth proportional to 346,464.50, 478,121.04 and 195,571.22 is: 269,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,464.50 : 478,121.04 = 195,571.22 : x
  2. Step 2: Convert to fraction form
    346,464.50/478,121.04 = 195,571.22/x
  3. Step 3: Cross multiply
    346,464.50x = 478,121.04 × 195,571.22
  4. Step 4: Simplify right side
    346,464.50x = 93,506,715,100.47
  5. Step 5: Solve for x
    x = 93,506,715,100.47/346,464.50
  6. Step 6: Final answer
    x = 269,888.30

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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.