Home / 141,286.16-194,976.18-77,624.01

Finding the Fourth Proportional to 141,286.16, 194,976.18 and 77,624.01

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Solution

The fourth proportional to 141,286.16, 194,976.18 and 77,624.01 is: 107,121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,286.16 : 194,976.18 = 77,624.01 : x
  2. Step 2: Convert to fraction form
    141,286.16/194,976.18 = 77,624.01/x
  3. Step 3: Cross multiply
    141,286.16x = 194,976.18 × 77,624.01
  4. Step 4: Simplify right side
    141,286.16x = 15,134,832,946.08
  5. Step 5: Solve for x
    x = 15,134,832,946.08/141,286.16
  6. Step 6: Final answer
    x = 107,121.83

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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.