Home / 125,092.38-172,557.47-74,055.33

Finding the Fourth Proportional to 125,092.38, 172,557.47 and 74,055.33

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Solution

The fourth proportional to 125,092.38, 172,557.47 and 74,055.33 is: 102,154.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,092.38 : 172,557.47 = 74,055.33 : x
  2. Step 2: Convert to fraction form
    125,092.38/172,557.47 = 74,055.33/x
  3. Step 3: Cross multiply
    125,092.38x = 172,557.47 × 74,055.33
  4. Step 4: Simplify right side
    125,092.38x = 12,778,800,569.95
  5. Step 5: Solve for x
    x = 12,778,800,569.95/125,092.38
  6. Step 6: Final answer
    x = 102,154.90

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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.