Home / 199,864.91-275,933.72-124,515.47

Finding the Fourth Proportional to 199,864.91, 275,933.72 and 124,515.47

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Solution

The fourth proportional to 199,864.91, 275,933.72 and 124,515.47 is: 171,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,864.91 : 275,933.72 = 124,515.47 : x
  2. Step 2: Convert to fraction form
    199,864.91/275,933.72 = 124,515.47/x
  3. Step 3: Cross multiply
    199,864.91x = 275,933.72 × 124,515.47
  4. Step 4: Simplify right side
    199,864.91x = 34,358,016,834.65
  5. Step 5: Solve for x
    x = 34,358,016,834.65/199,864.91
  6. Step 6: Final answer
    x = 171,906.20

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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.