Home / 160,132.88-239,871.20-89,864.56

Finding the Fourth Proportional to 160,132.88, 239,871.20 and 89,864.56

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Solution

The fourth proportional to 160,132.88, 239,871.20 and 89,864.56 is: 134,612.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,132.88 : 239,871.20 = 89,864.56 : x
  2. Step 2: Convert to fraction form
    160,132.88/239,871.20 = 89,864.56/x
  3. Step 3: Cross multiply
    160,132.88x = 239,871.20 × 89,864.56
  4. Step 4: Simplify right side
    160,132.88x = 21,555,919,844.67
  5. Step 5: Solve for x
    x = 21,555,919,844.67/160,132.88
  6. Step 6: Final answer
    x = 134,612.70

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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.