Home / 159,829.53-220,535.22-102,479.10

Finding the Fourth Proportional to 159,829.53, 220,535.22 and 102,479.10

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Solution

The fourth proportional to 159,829.53, 220,535.22 and 102,479.10 is: 141,402.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,829.53 : 220,535.22 = 102,479.10 : x
  2. Step 2: Convert to fraction form
    159,829.53/220,535.22 = 102,479.10/x
  3. Step 3: Cross multiply
    159,829.53x = 220,535.22 × 102,479.10
  4. Step 4: Simplify right side
    159,829.53x = 22,600,250,863.90
  5. Step 5: Solve for x
    x = 22,600,250,863.90/159,829.53
  6. Step 6: Final answer
    x = 141,402.22

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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.