Home / 167,613.80-251,254.62-78,708.15

Finding the Fourth Proportional to 167,613.80, 251,254.62 and 78,708.15

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Solution

The fourth proportional to 167,613.80, 251,254.62 and 78,708.15 is: 117,984.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,613.80 : 251,254.62 = 78,708.15 : x
  2. Step 2: Convert to fraction form
    167,613.80/251,254.62 = 78,708.15/x
  3. Step 3: Cross multiply
    167,613.80x = 251,254.62 × 78,708.15
  4. Step 4: Simplify right side
    167,613.80x = 19,775,786,319.15
  5. Step 5: Solve for x
    x = 19,775,786,319.15/167,613.80
  6. Step 6: Final answer
    x = 117,984.24

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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.