Home / 129,600.10-194,400.15-54,804.70

Finding the Fourth Proportional to 129,600.10, 194,400.15 and 54,804.70

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Solution

The fourth proportional to 129,600.10, 194,400.15 and 54,804.70 is: 82,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,600.10 : 194,400.15 = 54,804.70 : x
  2. Step 2: Convert to fraction form
    129,600.10/194,400.15 = 54,804.70/x
  3. Step 3: Cross multiply
    129,600.10x = 194,400.15 × 54,804.70
  4. Step 4: Simplify right side
    129,600.10x = 10,654,041,900.71
  5. Step 5: Solve for x
    x = 10,654,041,900.71/129,600.10
  6. Step 6: Final answer
    x = 82,207.05

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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.