Home / 159,758.20-239,671.32-47,438.74

Finding the Fourth Proportional to 159,758.20, 239,671.32 and 47,438.74

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Solution

The fourth proportional to 159,758.20, 239,671.32 and 47,438.74 is: 71,168.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,758.20 : 239,671.32 = 47,438.74 : x
  2. Step 2: Convert to fraction form
    159,758.20/239,671.32 = 47,438.74/x
  3. Step 3: Cross multiply
    159,758.20x = 239,671.32 × 47,438.74
  4. Step 4: Simplify right side
    159,758.20x = 11,369,705,434.94
  5. Step 5: Solve for x
    x = 11,369,705,434.94/159,758.20
  6. Step 6: Final answer
    x = 71,168.21

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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.