Home / 143,947.28-215,913.14-44,107.76

Finding the Fourth Proportional to 143,947.28, 215,913.14 and 44,107.76

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Solution

The fourth proportional to 143,947.28, 215,913.14 and 44,107.76 is: 66,159.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,947.28 : 215,913.14 = 44,107.76 : x
  2. Step 2: Convert to fraction form
    143,947.28/215,913.14 = 44,107.76/x
  3. Step 3: Cross multiply
    143,947.28x = 215,913.14 × 44,107.76
  4. Step 4: Simplify right side
    143,947.28x = 9,523,445,444.61
  5. Step 5: Solve for x
    x = 9,523,445,444.61/143,947.28
  6. Step 6: Final answer
    x = 66,159.26

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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.