Home / 112,571.35-155,333.24-64,179.52

Finding the Fourth Proportional to 112,571.35, 155,333.24 and 64,179.52

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Solution

The fourth proportional to 112,571.35, 155,333.24 and 64,179.52 is: 88,559.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,571.35 : 155,333.24 = 64,179.52 : x
  2. Step 2: Convert to fraction form
    112,571.35/155,333.24 = 64,179.52/x
  3. Step 3: Cross multiply
    112,571.35x = 155,333.24 × 64,179.52
  4. Step 4: Simplify right side
    112,571.35x = 9,969,211,685.68
  5. Step 5: Solve for x
    x = 9,969,211,685.68/112,571.35
  6. Step 6: Final answer
    x = 88,559.05

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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.