Home / 229,790.72-344,695.35-80,046.15

Finding the Fourth Proportional to 229,790.72, 344,695.35 and 80,046.15

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Solution

The fourth proportional to 229,790.72, 344,695.35 and 80,046.15 is: 120,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,790.72 : 344,695.35 = 80,046.15 : x
  2. Step 2: Convert to fraction form
    229,790.72/344,695.35 = 80,046.15/x
  3. Step 3: Cross multiply
    229,790.72x = 344,695.35 × 80,046.15
  4. Step 4: Simplify right side
    229,790.72x = 27,591,535,690.40
  5. Step 5: Solve for x
    x = 27,591,535,690.40/229,790.72
  6. Step 6: Final answer
    x = 120,072.45

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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.