Home / 143,366.76-215,053.12-52,179.04

Finding the Fourth Proportional to 143,366.76, 215,053.12 and 52,179.04

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Solution

The fourth proportional to 143,366.76, 215,053.12 and 52,179.04 is: 78,269.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,366.76 : 215,053.12 = 52,179.04 : x
  2. Step 2: Convert to fraction form
    143,366.76/215,053.12 = 52,179.04/x
  3. Step 3: Cross multiply
    143,366.76x = 215,053.12 × 52,179.04
  4. Step 4: Simplify right side
    143,366.76x = 11,221,265,350.60
  5. Step 5: Solve for x
    x = 11,221,265,350.60/143,366.76
  6. Step 6: Final answer
    x = 78,269.64

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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.