Home / 156,691.80-235,037.70-106,172.10

Finding the Fourth Proportional to 156,691.80, 235,037.70 and 106,172.10

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Solution

The fourth proportional to 156,691.80, 235,037.70 and 106,172.10 is: 159,258.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,691.80 : 235,037.70 = 106,172.10 : x
  2. Step 2: Convert to fraction form
    156,691.80/235,037.70 = 106,172.10/x
  3. Step 3: Cross multiply
    156,691.80x = 235,037.70 × 106,172.10
  4. Step 4: Simplify right side
    156,691.80x = 24,954,446,188.17
  5. Step 5: Solve for x
    x = 24,954,446,188.17/156,691.80
  6. Step 6: Final answer
    x = 159,258.15

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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.