Home / 181,637.89-272,321.10-125,317.29

Finding the Fourth Proportional to 181,637.89, 272,321.10 and 125,317.29

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Solution

The fourth proportional to 181,637.89, 272,321.10 and 125,317.29 is: 187,882.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,637.89 : 272,321.10 = 125,317.29 : x
  2. Step 2: Convert to fraction form
    181,637.89/272,321.10 = 125,317.29/x
  3. Step 3: Cross multiply
    181,637.89x = 272,321.10 × 125,317.29
  4. Step 4: Simplify right side
    181,637.89x = 34,126,542,261.82
  5. Step 5: Solve for x
    x = 34,126,542,261.82/181,637.89
  6. Step 6: Final answer
    x = 187,882.29

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1.5x scale

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.