Home / 159,311.10-238,966.65-88,452.30

Finding the Fourth Proportional to 159,311.10, 238,966.65 and 88,452.30

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Solution

The fourth proportional to 159,311.10, 238,966.65 and 88,452.30 is: 132,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,311.10 : 238,966.65 = 88,452.30 : x
  2. Step 2: Convert to fraction form
    159,311.10/238,966.65 = 88,452.30/x
  3. Step 3: Cross multiply
    159,311.10x = 238,966.65 × 88,452.30
  4. Step 4: Simplify right side
    159,311.10x = 21,137,149,815.80
  5. Step 5: Solve for x
    x = 21,137,149,815.80/159,311.10
  6. Step 6: Final answer
    x = 132,678.45

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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.