Home / 112,539.20-155,491.26-88,847.24

Finding the Fourth Proportional to 112,539.20, 155,491.26 and 88,847.24

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Solution

The fourth proportional to 112,539.20, 155,491.26 and 88,847.24 is: 122,756.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,539.20 : 155,491.26 = 88,847.24 : x
  2. Step 2: Convert to fraction form
    112,539.20/155,491.26 = 88,847.24/x
  3. Step 3: Cross multiply
    112,539.20x = 155,491.26 × 88,847.24
  4. Step 4: Simplify right side
    112,539.20x = 13,814,969,295.12
  5. Step 5: Solve for x
    x = 13,814,969,295.12/112,539.20
  6. Step 6: Final answer
    x = 122,756.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.