Home / 185,613.36-278,420.04-45,371.76

Finding the Fourth Proportional to 185,613.36, 278,420.04 and 45,371.76

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Solution

The fourth proportional to 185,613.36, 278,420.04 and 45,371.76 is: 68,057.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,613.36 : 278,420.04 = 45,371.76 : x
  2. Step 2: Convert to fraction form
    185,613.36/278,420.04 = 45,371.76/x
  3. Step 3: Cross multiply
    185,613.36x = 278,420.04 × 45,371.76
  4. Step 4: Simplify right side
    185,613.36x = 12,632,407,234.07
  5. Step 5: Solve for x
    x = 12,632,407,234.07/185,613.36
  6. Step 6: Final answer
    x = 68,057.64

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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.