Home / 103,634.85-155,452.28-95,761.65

Finding the Fourth Proportional to 103,634.85, 155,452.28 and 95,761.65

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Solution

The fourth proportional to 103,634.85, 155,452.28 and 95,761.65 is: 143,642.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634.85 : 155,452.28 = 95,761.65 : x
  2. Step 2: Convert to fraction form
    103,634.85/155,452.28 = 95,761.65/x
  3. Step 3: Cross multiply
    103,634.85x = 155,452.28 × 95,761.65
  4. Step 4: Simplify right side
    103,634.85x = 14,886,366,350.25
  5. Step 5: Solve for x
    x = 14,886,366,350.25/103,634.85
  6. Step 6: Final answer
    x = 143,642.48

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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.