Home / 158,958.90-238,221.27-80,126.46

Finding the Fourth Proportional to 158,958.90, 238,221.27 and 80,126.46

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Solution

The fourth proportional to 158,958.90, 238,221.27 and 80,126.46 is: 120,080.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,958.90 : 238,221.27 = 80,126.46 : x
  2. Step 2: Convert to fraction form
    158,958.90/238,221.27 = 80,126.46/x
  3. Step 3: Cross multiply
    158,958.90x = 238,221.27 × 80,126.46
  4. Step 4: Simplify right side
    158,958.90x = 19,087,827,061.80
  5. Step 5: Solve for x
    x = 19,087,827,061.80/158,958.90
  6. Step 6: Final answer
    x = 120,080.27

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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.