Home / 159,102.10-238,648.86-39,160.12

Finding the Fourth Proportional to 159,102.10, 238,648.86 and 39,160.12

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Solution

The fourth proportional to 159,102.10, 238,648.86 and 39,160.12 is: 58,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,102.10 : 238,648.86 = 39,160.12 : x
  2. Step 2: Convert to fraction form
    159,102.10/238,648.86 = 39,160.12/x
  3. Step 3: Cross multiply
    159,102.10x = 238,648.86 × 39,160.12
  4. Step 4: Simplify right side
    159,102.10x = 9,345,517,995.46
  5. Step 5: Solve for x
    x = 9,345,517,995.46/159,102.10
  6. Step 6: Final answer
    x = 58,739.12

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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.