Home / 121,958.40-182,951.04-38,833.28

Finding the Fourth Proportional to 121,958.40, 182,951.04 and 38,833.28

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Solution

The fourth proportional to 121,958.40, 182,951.04 and 38,833.28 is: 58,254.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,958.40 : 182,951.04 = 38,833.28 : x
  2. Step 2: Convert to fraction form
    121,958.40/182,951.04 = 38,833.28/x
  3. Step 3: Cross multiply
    121,958.40x = 182,951.04 × 38,833.28
  4. Step 4: Simplify right side
    121,958.40x = 7,104,588,962.61
  5. Step 5: Solve for x
    x = 7,104,588,962.61/121,958.40
  6. Step 6: Final answer
    x = 58,254.20

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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.