Home / 181,385.09-272,105.81-92,590.55

Finding the Fourth Proportional to 181,385.09, 272,105.81 and 92,590.55

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Solution

The fourth proportional to 181,385.09, 272,105.81 and 92,590.55 is: 138,900.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,385.09 : 272,105.81 = 92,590.55 : x
  2. Step 2: Convert to fraction form
    181,385.09/272,105.81 = 92,590.55/x
  3. Step 3: Cross multiply
    181,385.09x = 272,105.81 × 92,590.55
  4. Step 4: Simplify right side
    181,385.09x = 25,194,426,143.14
  5. Step 5: Solve for x
    x = 25,194,426,143.14/181,385.09
  6. Step 6: Final answer
    x = 138,900.20

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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.