Home / 181,269.20-250,144.53-100,701.79

Finding the Fourth Proportional to 181,269.20, 250,144.53 and 100,701.79

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Solution

The fourth proportional to 181,269.20, 250,144.53 and 100,701.79 is: 138,964.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,269.20 : 250,144.53 = 100,701.79 : x
  2. Step 2: Convert to fraction form
    181,269.20/250,144.53 = 100,701.79/x
  3. Step 3: Cross multiply
    181,269.20x = 250,144.53 × 100,701.79
  4. Step 4: Simplify right side
    181,269.20x = 25,190,001,929.71
  5. Step 5: Solve for x
    x = 25,190,001,929.71/181,269.20
  6. Step 6: Final answer
    x = 138,964.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.