Home / 215,049.20-296,774.32-118,248.02

Finding the Fourth Proportional to 215,049.20, 296,774.32 and 118,248.02

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Solution

The fourth proportional to 215,049.20, 296,774.32 and 118,248.02 is: 163,185.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,049.20 : 296,774.32 = 118,248.02 : x
  2. Step 2: Convert to fraction form
    215,049.20/296,774.32 = 118,248.02/x
  3. Step 3: Cross multiply
    215,049.20x = 296,774.32 × 118,248.02
  4. Step 4: Simplify right side
    215,049.20x = 35,092,975,726.85
  5. Step 5: Solve for x
    x = 35,092,975,726.85/215,049.20
  6. Step 6: Final answer
    x = 163,185.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.