Home / 140,725.20-194,200.36-77,066.96

Finding the Fourth Proportional to 140,725.20, 194,200.36 and 77,066.96

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Solution

The fourth proportional to 140,725.20, 194,200.36 and 77,066.96 is: 106,352.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,725.20 : 194,200.36 = 77,066.96 : x
  2. Step 2: Convert to fraction form
    140,725.20/194,200.36 = 77,066.96/x
  3. Step 3: Cross multiply
    140,725.20x = 194,200.36 × 77,066.96
  4. Step 4: Simplify right side
    140,725.20x = 14,966,431,376.11
  5. Step 5: Solve for x
    x = 14,966,431,376.11/140,725.20
  6. Step 6: Final answer
    x = 106,352.18

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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.