Home / 143,822.52-215,733.61-38,641.49

Finding the Fourth Proportional to 143,822.52, 215,733.61 and 38,641.49

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Solution

The fourth proportional to 143,822.52, 215,733.61 and 38,641.49 is: 57,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,822.52 : 215,733.61 = 38,641.49 : x
  2. Step 2: Convert to fraction form
    143,822.52/215,733.61 = 38,641.49/x
  3. Step 3: Cross multiply
    143,822.52x = 215,733.61 × 38,641.49
  4. Step 4: Simplify right side
    143,822.52x = 8,336,268,133.48
  5. Step 5: Solve for x
    x = 8,336,268,133.48/143,822.52
  6. Step 6: Final answer
    x = 57,962.19

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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.