Home / 163,500.60-225,635.36-91,887.16

Finding the Fourth Proportional to 163,500.60, 225,635.36 and 91,887.16

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Solution

The fourth proportional to 163,500.60, 225,635.36 and 91,887.16 is: 126,806.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,500.60 : 225,635.36 = 91,887.16 : x
  2. Step 2: Convert to fraction form
    163,500.60/225,635.36 = 91,887.16/x
  3. Step 3: Cross multiply
    163,500.60x = 225,635.36 × 91,887.16
  4. Step 4: Simplify right side
    163,500.60x = 20,732,992,425.98
  5. Step 5: Solve for x
    x = 20,732,992,425.98/163,500.60
  6. Step 6: Final answer
    x = 126,806.83

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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.