Home / 113,432.80-169,976.40-95,807.20

Finding the Fourth Proportional to 113,432.80, 169,976.40 and 95,807.20

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Solution

The fourth proportional to 113,432.80, 169,976.40 and 95,807.20 is: 143,564.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,432.80 : 169,976.40 = 95,807.20 : x
  2. Step 2: Convert to fraction form
    113,432.80/169,976.40 = 95,807.20/x
  3. Step 3: Cross multiply
    113,432.80x = 169,976.40 × 95,807.20
  4. Step 4: Simplify right side
    113,432.80x = 16,284,962,950.08
  5. Step 5: Solve for x
    x = 16,284,962,950.08/113,432.80
  6. Step 6: Final answer
    x = 143,564.85

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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.