Home / 143,613.06-215,098.80-104,079.39

Finding the Fourth Proportional to 143,613.06, 215,098.80 and 104,079.39

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Solution

The fourth proportional to 143,613.06, 215,098.80 and 104,079.39 is: 155,886.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,613.06 : 215,098.80 = 104,079.39 : x
  2. Step 2: Convert to fraction form
    143,613.06/215,098.80 = 104,079.39/x
  3. Step 3: Cross multiply
    143,613.06x = 215,098.80 × 104,079.39
  4. Step 4: Simplify right side
    143,613.06x = 22,387,351,893.73
  5. Step 5: Solve for x
    x = 22,387,351,893.73/143,613.06
  6. Step 6: Final answer
    x = 155,886.60

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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.