Home / 113,311.10-169,966.65-93,611.90

Finding the Fourth Proportional to 113,311.10, 169,966.65 and 93,611.90

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Solution

The fourth proportional to 113,311.10, 169,966.65 and 93,611.90 is: 140,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,311.10 : 169,966.65 = 93,611.90 : x
  2. Step 2: Convert to fraction form
    113,311.10/169,966.65 = 93,611.90/x
  3. Step 3: Cross multiply
    113,311.10x = 169,966.65 × 93,611.90
  4. Step 4: Simplify right side
    113,311.10x = 15,910,901,043.14
  5. Step 5: Solve for x
    x = 15,910,901,043.14/113,311.10
  6. Step 6: Final answer
    x = 140,417.85

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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.