Home / 185,742.30-278,613.45-92,430.30

Finding the Fourth Proportional to 185,742.30, 278,613.45 and 92,430.30

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Solution

The fourth proportional to 185,742.30, 278,613.45 and 92,430.30 is: 138,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,742.30 : 278,613.45 = 92,430.30 : x
  2. Step 2: Convert to fraction form
    185,742.30/278,613.45 = 92,430.30/x
  3. Step 3: Cross multiply
    185,742.30x = 278,613.45 × 92,430.30
  4. Step 4: Simplify right side
    185,742.30x = 25,752,324,767.54
  5. Step 5: Solve for x
    x = 25,752,324,767.54/185,742.30
  6. Step 6: Final answer
    x = 138,645.45

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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.