Home / 181,780.89-272,638.50-63,486.06

Finding the Fourth Proportional to 181,780.89, 272,638.50 and 63,486.06

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Solution

The fourth proportional to 181,780.89, 272,638.50 and 63,486.06 is: 95,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,780.89 : 272,638.50 = 63,486.06 : x
  2. Step 2: Convert to fraction form
    181,780.89/272,638.50 = 63,486.06/x
  3. Step 3: Cross multiply
    181,780.89x = 272,638.50 × 63,486.06
  4. Step 4: Simplify right side
    181,780.89x = 17,308,744,169.31
  5. Step 5: Solve for x
    x = 17,308,744,169.31/181,780.89
  6. Step 6: Final answer
    x = 95,217.62

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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.