Home / 140,363.20-193,700.82-76,701.40

Finding the Fourth Proportional to 140,363.20, 193,700.82 and 76,701.40

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Solution

The fourth proportional to 140,363.20, 193,700.82 and 76,701.40 is: 105,847.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,363.20 : 193,700.82 = 76,701.40 : x
  2. Step 2: Convert to fraction form
    140,363.20/193,700.82 = 76,701.40/x
  3. Step 3: Cross multiply
    140,363.20x = 193,700.82 × 76,701.40
  4. Step 4: Simplify right side
    140,363.20x = 14,857,124,075.15
  5. Step 5: Solve for x
    x = 14,857,124,075.15/140,363.20
  6. Step 6: Final answer
    x = 105,847.72

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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.