Home / 118,562.68-163,522.02-100,716.76

Finding the Fourth Proportional to 118,562.68, 163,522.02 and 100,716.76

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Solution

The fourth proportional to 118,562.68, 163,522.02 and 100,716.76 is: 138,908.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,562.68 : 163,522.02 = 100,716.76 : x
  2. Step 2: Convert to fraction form
    118,562.68/163,522.02 = 100,716.76/x
  3. Step 3: Cross multiply
    118,562.68x = 163,522.02 × 100,716.76
  4. Step 4: Simplify right side
    118,562.68x = 16,469,408,043.06
  5. Step 5: Solve for x
    x = 16,469,408,043.06/118,562.68
  6. Step 6: Final answer
    x = 138,908.87

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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.