Home / 185,756.97-278,635.45-45,514.38

Finding the Fourth Proportional to 185,756.97, 278,635.45 and 45,514.38

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Solution

The fourth proportional to 185,756.97, 278,635.45 and 45,514.38 is: 68,271.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,756.97 : 278,635.45 = 45,514.38 : x
  2. Step 2: Convert to fraction form
    185,756.97/278,635.45 = 45,514.38/x
  3. Step 3: Cross multiply
    185,756.97x = 278,635.45 × 45,514.38
  4. Step 4: Simplify right side
    185,756.97x = 12,681,919,752.77
  5. Step 5: Solve for x
    x = 12,681,919,752.77/185,756.97
  6. Step 6: Final answer
    x = 68,271.57

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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.