Home / 114,822.90-158,532.92-102,685.72

Finding the Fourth Proportional to 114,822.90, 158,532.92 and 102,685.72

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Solution

The fourth proportional to 114,822.90, 158,532.92 and 102,685.72 is: 141,775.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,822.90 : 158,532.92 = 102,685.72 : x
  2. Step 2: Convert to fraction form
    114,822.90/158,532.92 = 102,685.72/x
  3. Step 3: Cross multiply
    114,822.90x = 158,532.92 × 102,685.72
  4. Step 4: Simplify right side
    114,822.90x = 16,279,067,033.90
  5. Step 5: Solve for x
    x = 16,279,067,033.90/114,822.90
  6. Step 6: Final answer
    x = 141,775.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.