Home / 125,187.39-187,781.22-31,693.14

Finding the Fourth Proportional to 125,187.39, 187,781.22 and 31,693.14

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Solution

The fourth proportional to 125,187.39, 187,781.22 and 31,693.14 is: 47,539.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,187.39 : 187,781.22 = 31,693.14 : x
  2. Step 2: Convert to fraction form
    125,187.39/187,781.22 = 31,693.14/x
  3. Step 3: Cross multiply
    125,187.39x = 187,781.22 × 31,693.14
  4. Step 4: Simplify right side
    125,187.39x = 5,951,376,494.83
  5. Step 5: Solve for x
    x = 5,951,376,494.83/125,187.39
  6. Step 6: Final answer
    x = 47,539.74

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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.