Home / 198,506.16-273,935.12-107,863.52

Finding the Fourth Proportional to 198,506.16, 273,935.12 and 107,863.52

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Solution

The fourth proportional to 198,506.16, 273,935.12 and 107,863.52 is: 148,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,506.16 : 273,935.12 = 107,863.52 : x
  2. Step 2: Convert to fraction form
    198,506.16/273,935.12 = 107,863.52/x
  3. Step 3: Cross multiply
    198,506.16x = 273,935.12 × 107,863.52
  4. Step 4: Simplify right side
    198,506.16x = 29,547,604,385.83
  5. Step 5: Solve for x
    x = 29,547,604,385.83/198,506.16
  6. Step 6: Final answer
    x = 148,849.81

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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.