Home / 341,639.55-471,426.78-198,371.61

Finding the Fourth Proportional to 341,639.55, 471,426.78 and 198,371.61

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Solution

The fourth proportional to 341,639.55, 471,426.78 and 198,371.61 is: 273,732.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,639.55 : 471,426.78 = 198,371.61 : x
  2. Step 2: Convert to fraction form
    341,639.55/471,426.78 = 198,371.61/x
  3. Step 3: Cross multiply
    341,639.55x = 471,426.78 × 198,371.61
  4. Step 4: Simplify right side
    341,639.55x = 93,517,689,345.72
  5. Step 5: Solve for x
    x = 93,517,689,345.72/341,639.55
  6. Step 6: Final answer
    x = 273,732.04

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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.