Home / 194,382.15-268,337.42-137,068.17

Finding the Fourth Proportional to 194,382.15, 268,337.42 and 137,068.17

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Solution

The fourth proportional to 194,382.15, 268,337.42 and 137,068.17 is: 189,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,382.15 : 268,337.42 = 137,068.17 : x
  2. Step 2: Convert to fraction form
    194,382.15/268,337.42 = 137,068.17/x
  3. Step 3: Cross multiply
    194,382.15x = 268,337.42 × 137,068.17
  4. Step 4: Simplify right side
    194,382.15x = 36,780,519,101.92
  5. Step 5: Solve for x
    x = 36,780,519,101.92/194,382.15
  6. Step 6: Final answer
    x = 189,217.58

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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.