Home / 169,116.68-253,677.50-80,379.24

Finding the Fourth Proportional to 169,116.68, 253,677.50 and 80,379.24

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Solution

The fourth proportional to 169,116.68, 253,677.50 and 80,379.24 is: 120,570.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,116.68 : 253,677.50 = 80,379.24 : x
  2. Step 2: Convert to fraction form
    169,116.68/253,677.50 = 80,379.24/x
  3. Step 3: Cross multiply
    169,116.68x = 253,677.50 × 80,379.24
  4. Step 4: Simplify right side
    169,116.68x = 20,390,404,655.10
  5. Step 5: Solve for x
    x = 20,390,404,655.10/169,116.68
  6. Step 6: Final answer
    x = 120,570.04

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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.