Home / 156,073.44-234,116.78-61,324.12

Finding the Fourth Proportional to 156,073.44, 234,116.78 and 61,324.12

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Solution

The fourth proportional to 156,073.44, 234,116.78 and 61,324.12 is: 91,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,073.44 : 234,116.78 = 61,324.12 : x
  2. Step 2: Convert to fraction form
    156,073.44/234,116.78 = 61,324.12/x
  3. Step 3: Cross multiply
    156,073.44x = 234,116.78 × 61,324.12
  4. Step 4: Simplify right side
    156,073.44x = 14,357,005,510.73
  5. Step 5: Solve for x
    x = 14,357,005,510.73/156,073.44
  6. Step 6: Final answer
    x = 91,988.78

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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.