Home / 121,162.02-181,760.31-38,062.50

Finding the Fourth Proportional to 121,162.02, 181,760.31 and 38,062.50

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Solution

The fourth proportional to 121,162.02, 181,760.31 and 38,062.50 is: 57,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,162.02 : 181,760.31 = 38,062.50 : x
  2. Step 2: Convert to fraction form
    121,162.02/181,760.31 = 38,062.50/x
  3. Step 3: Cross multiply
    121,162.02x = 181,760.31 × 38,062.50
  4. Step 4: Simplify right side
    121,162.02x = 6,918,251,799.38
  5. Step 5: Solve for x
    x = 6,918,251,799.38/121,162.02
  6. Step 6: Final answer
    x = 57,099.18

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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.