Home / 272,402.28-408,641.76-94,883.64

Finding the Fourth Proportional to 272,402.28, 408,641.76 and 94,883.64

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Solution

The fourth proportional to 272,402.28, 408,641.76 and 94,883.64 is: 142,338.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,402.28 : 408,641.76 = 94,883.64 : x
  2. Step 2: Convert to fraction form
    272,402.28/408,641.76 = 94,883.64/x
  3. Step 3: Cross multiply
    272,402.28x = 408,641.76 × 94,883.64
  4. Step 4: Simplify right side
    272,402.28x = 38,773,417,644.81
  5. Step 5: Solve for x
    x = 38,773,417,644.81/272,402.28
  6. Step 6: Final answer
    x = 142,338.81

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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.