Home / 95,519.55-143,260.95-90,778.05

Finding the Fourth Proportional to 95,519.55, 143,260.95 and 90,778.05

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Solution

The fourth proportional to 95,519.55, 143,260.95 and 90,778.05 is: 136,149.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,519.55 : 143,260.95 = 90,778.05 : x
  2. Step 2: Convert to fraction form
    95,519.55/143,260.95 = 90,778.05/x
  3. Step 3: Cross multiply
    95,519.55x = 143,260.95 × 90,778.05
  4. Step 4: Simplify right side
    95,519.55x = 13,004,949,682.15
  5. Step 5: Solve for x
    x = 13,004,949,682.15/95,519.55
  6. Step 6: Final answer
    x = 136,149.61

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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.