Home / 158,819.60-238,178.82-52,178.80

Finding the Fourth Proportional to 158,819.60, 238,178.82 and 52,178.80

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Solution

The fourth proportional to 158,819.60, 238,178.82 and 52,178.80 is: 78,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,819.60 : 238,178.82 = 52,178.80 : x
  2. Step 2: Convert to fraction form
    158,819.60/238,178.82 = 52,178.80/x
  3. Step 3: Cross multiply
    158,819.60x = 238,178.82 × 52,178.80
  4. Step 4: Simplify right side
    158,819.60x = 12,427,885,013.02
  5. Step 5: Solve for x
    x = 12,427,885,013.02/158,819.60
  6. Step 6: Final answer
    x = 78,251.58

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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.