Home / 123,493.38-185,220.68-39,242.45

Finding the Fourth Proportional to 123,493.38, 185,220.68 and 39,242.45

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Solution

The fourth proportional to 123,493.38, 185,220.68 and 39,242.45 is: 58,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,493.38 : 185,220.68 = 39,242.45 : x
  2. Step 2: Convert to fraction form
    123,493.38/185,220.68 = 39,242.45/x
  3. Step 3: Cross multiply
    123,493.38x = 185,220.68 × 39,242.45
  4. Step 4: Simplify right side
    123,493.38x = 7,268,512,151.55
  5. Step 5: Solve for x
    x = 7,268,512,151.55/123,493.38
  6. Step 6: Final answer
    x = 58,857.50

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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.