Home / 161,982.56-243,047.67-83,152.19

Finding the Fourth Proportional to 161,982.56, 243,047.67 and 83,152.19

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Solution

The fourth proportional to 161,982.56, 243,047.67 and 83,152.19 is: 124,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,982.56 : 243,047.67 = 83,152.19 : x
  2. Step 2: Convert to fraction form
    161,982.56/243,047.67 = 83,152.19/x
  3. Step 3: Cross multiply
    161,982.56x = 243,047.67 × 83,152.19
  4. Step 4: Simplify right side
    161,982.56x = 20,209,944,819.66
  5. Step 5: Solve for x
    x = 20,209,944,819.66/161,982.56
  6. Step 6: Final answer
    x = 124,766.18

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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.