Home / 159,631.32-239,285.28-103,507.04

Finding the Fourth Proportional to 159,631.32, 239,285.28 and 103,507.04

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Solution

The fourth proportional to 159,631.32, 239,285.28 and 103,507.04 is: 155,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,631.32 : 239,285.28 = 103,507.04 : x
  2. Step 2: Convert to fraction form
    159,631.32/239,285.28 = 103,507.04/x
  3. Step 3: Cross multiply
    159,631.32x = 239,285.28 × 103,507.04
  4. Step 4: Simplify right side
    159,631.32x = 24,767,709,851.94
  5. Step 5: Solve for x
    x = 24,767,709,851.94/159,631.32
  6. Step 6: Final answer
    x = 155,155.70

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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.