Home / 187,340.10-281,010.15-54,224.70

Finding the Fourth Proportional to 187,340.10, 281,010.15 and 54,224.70

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Solution

The fourth proportional to 187,340.10, 281,010.15 and 54,224.70 is: 81,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,340.10 : 281,010.15 = 54,224.70 : x
  2. Step 2: Convert to fraction form
    187,340.10/281,010.15 = 54,224.70/x
  3. Step 3: Cross multiply
    187,340.10x = 281,010.15 × 54,224.70
  4. Step 4: Simplify right side
    187,340.10x = 15,237,691,080.71
  5. Step 5: Solve for x
    x = 15,237,691,080.71/187,340.10
  6. Step 6: Final answer
    x = 81,337.05

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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.