Home / 143,827.28-215,585.08-73,610.32

Finding the Fourth Proportional to 143,827.28, 215,585.08 and 73,610.32

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Solution

The fourth proportional to 143,827.28, 215,585.08 and 73,610.32 is: 110,335.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827.28 : 215,585.08 = 73,610.32 : x
  2. Step 2: Convert to fraction form
    143,827.28/215,585.08 = 73,610.32/x
  3. Step 3: Cross multiply
    143,827.28x = 215,585.08 × 73,610.32
  4. Step 4: Simplify right side
    143,827.28x = 15,869,286,726.03
  5. Step 5: Solve for x
    x = 15,869,286,726.03/143,827.28
  6. Step 6: Final answer
    x = 110,335.72

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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.