Home / 181,921.61-272,549.89-131,877.59

Finding the Fourth Proportional to 181,921.61, 272,549.89 and 131,877.59

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Solution

The fourth proportional to 181,921.61, 272,549.89 and 131,877.59 is: 197,575.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,921.61 : 272,549.89 = 131,877.59 : x
  2. Step 2: Convert to fraction form
    181,921.61/272,549.89 = 131,877.59/x
  3. Step 3: Cross multiply
    181,921.61x = 272,549.89 × 131,877.59
  4. Step 4: Simplify right side
    181,921.61x = 35,943,221,450.06
  5. Step 5: Solve for x
    x = 35,943,221,450.06/181,921.61
  6. Step 6: Final answer
    x = 197,575.32

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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.