Home / 170,764.20-256,146.30-108,709.80

Finding the Fourth Proportional to 170,764.20, 256,146.30 and 108,709.80

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Solution

The fourth proportional to 170,764.20, 256,146.30 and 108,709.80 is: 163,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,764.20 : 256,146.30 = 108,709.80 : x
  2. Step 2: Convert to fraction form
    170,764.20/256,146.30 = 108,709.80/x
  3. Step 3: Cross multiply
    170,764.20x = 256,146.30 × 108,709.80
  4. Step 4: Simplify right side
    170,764.20x = 27,845,613,043.74
  5. Step 5: Solve for x
    x = 27,845,613,043.74/170,764.20
  6. Step 6: Final answer
    x = 163,064.70

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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.