Home / 109,322.20-163,764.60-73,892.80

Finding the Fourth Proportional to 109,322.20, 163,764.60 and 73,892.80

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Solution

The fourth proportional to 109,322.20, 163,764.60 and 73,892.80 is: 110,691.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,322.20 : 163,764.60 = 73,892.80 : x
  2. Step 2: Convert to fraction form
    109,322.20/163,764.60 = 73,892.80/x
  3. Step 3: Cross multiply
    109,322.20x = 163,764.60 × 73,892.80
  4. Step 4: Simplify right side
    109,322.20x = 12,101,024,834.88
  5. Step 5: Solve for x
    x = 12,101,024,834.88/109,322.20
  6. Step 6: Final answer
    x = 110,691.38

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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.