Home / 121,353.03-181,886.56-54,715.14

Finding the Fourth Proportional to 121,353.03, 181,886.56 and 54,715.14

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Solution

The fourth proportional to 121,353.03, 181,886.56 and 54,715.14 is: 82,008.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,353.03 : 181,886.56 = 54,715.14 : x
  2. Step 2: Convert to fraction form
    121,353.03/181,886.56 = 54,715.14/x
  3. Step 3: Cross multiply
    121,353.03x = 181,886.56 × 54,715.14
  4. Step 4: Simplify right side
    121,353.03x = 9,951,948,594.52
  5. Step 5: Solve for x
    x = 9,951,948,594.52/121,353.03
  6. Step 6: Final answer
    x = 82,008.24

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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.