Home / 195,819.60-293,729.40-185,710.80

Finding the Fourth Proportional to 195,819.60, 293,729.40 and 185,710.80

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Solution

The fourth proportional to 195,819.60, 293,729.40 and 185,710.80 is: 278,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,819.60 : 293,729.40 = 185,710.80 : x
  2. Step 2: Convert to fraction form
    195,819.60/293,729.40 = 185,710.80/x
  3. Step 3: Cross multiply
    195,819.60x = 293,729.40 × 185,710.80
  4. Step 4: Simplify right side
    195,819.60x = 54,548,721,857.52
  5. Step 5: Solve for x
    x = 54,548,721,857.52/195,819.60
  6. Step 6: Final answer
    x = 278,566.20

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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.