Home / 198,126.84-273,414.12-107,482.86

Finding the Fourth Proportional to 198,126.84, 273,414.12 and 107,482.86

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Solution

The fourth proportional to 198,126.84, 273,414.12 and 107,482.86 is: 148,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,126.84 : 273,414.12 = 107,482.86 : x
  2. Step 2: Convert to fraction form
    198,126.84/273,414.12 = 107,482.86/x
  3. Step 3: Cross multiply
    198,126.84x = 273,414.12 × 107,482.86
  4. Step 4: Simplify right side
    198,126.84x = 29,387,331,581.98
  5. Step 5: Solve for x
    x = 29,387,331,581.98/198,126.84
  6. Step 6: Final answer
    x = 148,325.85

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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.