Home / 159,496.76-239,282.20-54,316.64

Finding the Fourth Proportional to 159,496.76, 239,282.20 and 54,316.64

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Solution

The fourth proportional to 159,496.76, 239,282.20 and 54,316.64 is: 81,487.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,496.76 : 239,282.20 = 54,316.64 : x
  2. Step 2: Convert to fraction form
    159,496.76/239,282.20 = 54,316.64/x
  3. Step 3: Cross multiply
    159,496.76x = 239,282.20 × 54,316.64
  4. Step 4: Simplify right side
    159,496.76x = 12,997,005,115.81
  5. Step 5: Solve for x
    x = 12,997,005,115.81/159,496.76
  6. Step 6: Final answer
    x = 81,487.58

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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.