Home / 185,842.70-278,764.05-156,974.30

Finding the Fourth Proportional to 185,842.70, 278,764.05 and 156,974.30

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Solution

The fourth proportional to 185,842.70, 278,764.05 and 156,974.30 is: 235,461.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,842.70 : 278,764.05 = 156,974.30 : x
  2. Step 2: Convert to fraction form
    185,842.70/278,764.05 = 156,974.30/x
  3. Step 3: Cross multiply
    185,842.70x = 278,764.05 × 156,974.30
  4. Step 4: Simplify right side
    185,842.70x = 43,758,791,613.92
  5. Step 5: Solve for x
    x = 43,758,791,613.92/185,842.70
  6. Step 6: Final answer
    x = 235,461.45

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1.5x scale

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.