Home / 162,743.04-243,781.92-120,670.56

Finding the Fourth Proportional to 162,743.04, 243,781.92 and 120,670.56

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Solution

The fourth proportional to 162,743.04, 243,781.92 and 120,670.56 is: 180,759.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,743.04 : 243,781.92 = 120,670.56 : x
  2. Step 2: Convert to fraction form
    162,743.04/243,781.92 = 120,670.56/x
  3. Step 3: Cross multiply
    162,743.04x = 243,781.92 × 120,670.56
  4. Step 4: Simplify right side
    162,743.04x = 29,417,300,804.28
  5. Step 5: Solve for x
    x = 29,417,300,804.28/162,743.04
  6. Step 6: Final answer
    x = 180,759.19

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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.