Home / 153,103.72-229,531.66-47,868.52

Finding the Fourth Proportional to 153,103.72, 229,531.66 and 47,868.52

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Solution

The fourth proportional to 153,103.72, 229,531.66 and 47,868.52 is: 71,764.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,103.72 : 229,531.66 = 47,868.52 : x
  2. Step 2: Convert to fraction form
    153,103.72/229,531.66 = 47,868.52/x
  3. Step 3: Cross multiply
    153,103.72x = 229,531.66 × 47,868.52
  4. Step 4: Simplify right side
    153,103.72x = 10,987,340,857.34
  5. Step 5: Solve for x
    x = 10,987,340,857.34/153,103.72
  6. Step 6: Final answer
    x = 71,764.04

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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.