Home / 151,589.76-209,161.92-109,242.24

Finding the Fourth Proportional to 151,589.76, 209,161.92 and 109,242.24

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Solution

The fourth proportional to 151,589.76, 209,161.92 and 109,242.24 is: 150,731.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,589.76 : 209,161.92 = 109,242.24 : x
  2. Step 2: Convert to fraction form
    151,589.76/209,161.92 = 109,242.24/x
  3. Step 3: Cross multiply
    151,589.76x = 209,161.92 × 109,242.24
  4. Step 4: Simplify right side
    151,589.76x = 22,849,316,663.50
  5. Step 5: Solve for x
    x = 22,849,316,663.50/151,589.76
  6. Step 6: Final answer
    x = 150,731.27

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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.