Home / 158,538.12-237,843.78-53,354.52

Finding the Fourth Proportional to 158,538.12, 237,843.78 and 53,354.52

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Solution

The fourth proportional to 158,538.12, 237,843.78 and 53,354.52 is: 80,044.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,538.12 : 237,843.78 = 53,354.52 : x
  2. Step 2: Convert to fraction form
    158,538.12/237,843.78 = 53,354.52/x
  3. Step 3: Cross multiply
    158,538.12x = 237,843.78 × 53,354.52
  4. Step 4: Simplify right side
    158,538.12x = 12,690,040,716.89
  5. Step 5: Solve for x
    x = 12,690,040,716.89/158,538.12
  6. Step 6: Final answer
    x = 80,044.10

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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.