Home / 113,315.10-169,972.65-93,615.90

Finding the Fourth Proportional to 113,315.10, 169,972.65 and 93,615.90

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Solution

The fourth proportional to 113,315.10, 169,972.65 and 93,615.90 is: 140,423.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,315.10 : 169,972.65 = 93,615.90 : x
  2. Step 2: Convert to fraction form
    113,315.10/169,972.65 = 93,615.90/x
  3. Step 3: Cross multiply
    113,315.10x = 169,972.65 × 93,615.90
  4. Step 4: Simplify right side
    113,315.10x = 15,912,142,605.14
  5. Step 5: Solve for x
    x = 15,912,142,605.14/113,315.10
  6. Step 6: Final answer
    x = 140,423.85

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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.