Home / 153,205.24-229,801.92-78,324.52

Finding the Fourth Proportional to 153,205.24, 229,801.92 and 78,324.52

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Solution

The fourth proportional to 153,205.24, 229,801.92 and 78,324.52 is: 117,483.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,205.24 : 229,801.92 = 78,324.52 : x
  2. Step 2: Convert to fraction form
    153,205.24/229,801.92 = 78,324.52/x
  3. Step 3: Cross multiply
    153,205.24x = 229,801.92 × 78,324.52
  4. Step 4: Simplify right side
    153,205.24x = 17,999,125,079.08
  5. Step 5: Solve for x
    x = 17,999,125,079.08/153,205.24
  6. Step 6: Final answer
    x = 117,483.74

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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.