Home / 159,496.79-239,286.15-47,172.47

Finding the Fourth Proportional to 159,496.79, 239,286.15 and 47,172.47

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Solution

The fourth proportional to 159,496.79, 239,286.15 and 47,172.47 is: 70,770.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,496.79 : 239,286.15 = 47,172.47 : x
  2. Step 2: Convert to fraction form
    159,496.79/239,286.15 = 47,172.47/x
  3. Step 3: Cross multiply
    159,496.79x = 239,286.15 × 47,172.47
  4. Step 4: Simplify right side
    159,496.79x = 11,287,717,535.86
  5. Step 5: Solve for x
    x = 11,287,717,535.86/159,496.79
  6. Step 6: Final answer
    x = 70,770.82

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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.