Home / 181,526.88-272,088.54-137,009.28

Finding the Fourth Proportional to 181,526.88, 272,088.54 and 137,009.28

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Solution

The fourth proportional to 181,526.88, 272,088.54 and 137,009.28 is: 205,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,526.88 : 272,088.54 = 137,009.28 : x
  2. Step 2: Convert to fraction form
    181,526.88/272,088.54 = 137,009.28/x
  3. Step 3: Cross multiply
    181,526.88x = 272,088.54 × 137,009.28
  4. Step 4: Simplify right side
    181,526.88x = 37,278,654,961.65
  5. Step 5: Solve for x
    x = 37,278,654,961.65/181,526.88
  6. Step 6: Final answer
    x = 205,361.62

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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.