Home / 180,275.12-269,743.08-113,402.96

Finding the Fourth Proportional to 180,275.12, 269,743.08 and 113,402.96

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Solution

The fourth proportional to 180,275.12, 269,743.08 and 113,402.96 is: 169,683.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,275.12 : 269,743.08 = 113,402.96 : x
  2. Step 2: Convert to fraction form
    180,275.12/269,743.08 = 113,402.96/x
  3. Step 3: Cross multiply
    180,275.12x = 269,743.08 × 113,402.96
  4. Step 4: Simplify right side
    180,275.12x = 30,589,663,711.52
  5. Step 5: Solve for x
    x = 30,589,663,711.52/180,275.12
  6. Step 6: Final answer
    x = 169,683.22

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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.