Home / 140,217.28-193,498.88-76,554.88

Finding the Fourth Proportional to 140,217.28, 193,498.88 and 76,554.88

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Solution

The fourth proportional to 140,217.28, 193,498.88 and 76,554.88 is: 105,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,217.28 : 193,498.88 = 76,554.88 : x
  2. Step 2: Convert to fraction form
    140,217.28/193,498.88 = 76,554.88/x
  3. Step 3: Cross multiply
    140,217.28x = 193,498.88 × 76,554.88
  4. Step 4: Simplify right side
    140,217.28x = 14,813,283,538.53
  5. Step 5: Solve for x
    x = 14,813,283,538.53/140,217.28
  6. Step 6: Final answer
    x = 105,645.21

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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.