Home / 159,650.18-239,405.87-45,772.91

Finding the Fourth Proportional to 159,650.18, 239,405.87 and 45,772.91

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Solution

The fourth proportional to 159,650.18, 239,405.87 and 45,772.91 is: 68,639.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,650.18 : 239,405.87 = 45,772.91 : x
  2. Step 2: Convert to fraction form
    159,650.18/239,405.87 = 45,772.91/x
  3. Step 3: Cross multiply
    159,650.18x = 239,405.87 × 45,772.91
  4. Step 4: Simplify right side
    159,650.18x = 10,958,301,915.09
  5. Step 5: Solve for x
    x = 10,958,301,915.09/159,650.18
  6. Step 6: Final answer
    x = 68,639.46

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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.