Home / 346,412.03-478,039.25-193,445.96

Finding the Fourth Proportional to 346,412.03, 478,039.25 and 193,445.96

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Solution

The fourth proportional to 346,412.03, 478,039.25 and 193,445.96 is: 266,950.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,412.03 : 478,039.25 = 193,445.96 : x
  2. Step 2: Convert to fraction form
    346,412.03/478,039.25 = 193,445.96/x
  3. Step 3: Cross multiply
    346,412.03x = 478,039.25 × 193,445.96
  4. Step 4: Simplify right side
    346,412.03x = 92,474,759,727.35
  5. Step 5: Solve for x
    x = 92,474,759,727.35/346,412.03
  6. Step 6: Final answer
    x = 266,950.20

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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.