Home / 161,726.20-242,589.30-108,849.40

Finding the Fourth Proportional to 161,726.20, 242,589.30 and 108,849.40

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Solution

The fourth proportional to 161,726.20, 242,589.30 and 108,849.40 is: 163,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,726.20 : 242,589.30 = 108,849.40 : x
  2. Step 2: Convert to fraction form
    161,726.20/242,589.30 = 108,849.40/x
  3. Step 3: Cross multiply
    161,726.20x = 242,589.30 × 108,849.40
  4. Step 4: Simplify right side
    161,726.20x = 26,405,699,751.42
  5. Step 5: Solve for x
    x = 26,405,699,751.42/161,726.20
  6. Step 6: Final answer
    x = 163,274.10

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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.