Home / 156,560.74-234,538.87-93,431.31

Finding the Fourth Proportional to 156,560.74, 234,538.87 and 93,431.31

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Solution

The fourth proportional to 156,560.74, 234,538.87 and 93,431.31 is: 139,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,560.74 : 234,538.87 = 93,431.31 : x
  2. Step 2: Convert to fraction form
    156,560.74/234,538.87 = 93,431.31/x
  3. Step 3: Cross multiply
    156,560.74x = 234,538.87 × 93,431.31
  4. Step 4: Simplify right side
    156,560.74x = 21,913,273,870.02
  5. Step 5: Solve for x
    x = 21,913,273,870.02/156,560.74
  6. Step 6: Final answer
    x = 139,966.60

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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.