Home / 114,781.59-172,201.55-67,436.69

Finding the Fourth Proportional to 114,781.59, 172,201.55 and 67,436.69

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Solution

The fourth proportional to 114,781.59, 172,201.55 and 67,436.69 is: 101,172.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,781.59 : 172,201.55 = 67,436.69 : x
  2. Step 2: Convert to fraction form
    114,781.59/172,201.55 = 67,436.69/x
  3. Step 3: Cross multiply
    114,781.59x = 172,201.55 × 67,436.69
  4. Step 4: Simplify right side
    114,781.59x = 11,612,701,346.68
  5. Step 5: Solve for x
    x = 11,612,701,346.68/114,781.59
  6. Step 6: Final answer
    x = 101,172.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.