Home / 181,819.08-272,757.48-55,430.38

Finding the Fourth Proportional to 181,819.08, 272,757.48 and 55,430.38

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Solution

The fourth proportional to 181,819.08, 272,757.48 and 55,430.38 is: 83,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,819.08 : 272,757.48 = 55,430.38 : x
  2. Step 2: Convert to fraction form
    181,819.08/272,757.48 = 55,430.38/x
  3. Step 3: Cross multiply
    181,819.08x = 272,757.48 × 55,430.38
  4. Step 4: Simplify right side
    181,819.08x = 15,119,049,363.06
  5. Step 5: Solve for x
    x = 15,119,049,363.06/181,819.08
  6. Step 6: Final answer
    x = 83,154.36

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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.