Home / 199,863.41-275,931.65-124,513.97

Finding the Fourth Proportional to 199,863.41, 275,931.65 and 124,513.97

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Solution

The fourth proportional to 199,863.41, 275,931.65 and 124,513.97 is: 171,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,863.41 : 275,931.65 = 124,513.97 : x
  2. Step 2: Convert to fraction form
    199,863.41/275,931.65 = 124,513.97/x
  3. Step 3: Cross multiply
    199,863.41x = 275,931.65 × 124,513.97
  4. Step 4: Simplify right side
    199,863.41x = 34,357,344,567.58
  5. Step 5: Solve for x
    x = 34,357,344,567.58/199,863.41
  6. Step 6: Final answer
    x = 171,904.12

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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.