Home / 159,078.72-238,612.56-40,751.04

Finding the Fourth Proportional to 159,078.72, 238,612.56 and 40,751.04

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Solution

The fourth proportional to 159,078.72, 238,612.56 and 40,751.04 is: 61,125.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,078.72 : 238,612.56 = 40,751.04 : x
  2. Step 2: Convert to fraction form
    159,078.72/238,612.56 = 40,751.04/x
  3. Step 3: Cross multiply
    159,078.72x = 238,612.56 × 40,751.04
  4. Step 4: Simplify right side
    159,078.72x = 9,723,709,977.06
  5. Step 5: Solve for x
    x = 9,723,709,977.06/159,078.72
  6. Step 6: Final answer
    x = 61,125.15

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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.