Home / 124,892.20-187,291.28-40,630.32

Finding the Fourth Proportional to 124,892.20, 187,291.28 and 40,630.32

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Solution

The fourth proportional to 124,892.20, 187,291.28 and 40,630.32 is: 60,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,892.20 : 187,291.28 = 40,630.32 : x
  2. Step 2: Convert to fraction form
    124,892.20/187,291.28 = 40,630.32/x
  3. Step 3: Cross multiply
    124,892.20x = 187,291.28 × 40,630.32
  4. Step 4: Simplify right side
    124,892.20x = 7,609,704,639.61
  5. Step 5: Solve for x
    x = 7,609,704,639.61/124,892.20
  6. Step 6: Final answer
    x = 60,930.18

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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.