Home / 131,568.30-197,352.45-84,329.10

Finding the Fourth Proportional to 131,568.30, 197,352.45 and 84,329.10

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Solution

The fourth proportional to 131,568.30, 197,352.45 and 84,329.10 is: 126,493.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,568.30 : 197,352.45 = 84,329.10 : x
  2. Step 2: Convert to fraction form
    131,568.30/197,352.45 = 84,329.10/x
  3. Step 3: Cross multiply
    131,568.30x = 197,352.45 × 84,329.10
  4. Step 4: Simplify right side
    131,568.30x = 16,642,554,491.30
  5. Step 5: Solve for x
    x = 16,642,554,491.30/131,568.30
  6. Step 6: Final answer
    x = 126,493.65

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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.