Home / 198,155.60-273,448.68-141,661.52

Finding the Fourth Proportional to 198,155.60, 273,448.68 and 141,661.52

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Solution

The fourth proportional to 198,155.60, 273,448.68 and 141,661.52 is: 195,488.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,155.60 : 273,448.68 = 141,661.52 : x
  2. Step 2: Convert to fraction form
    198,155.60/273,448.68 = 141,661.52/x
  3. Step 3: Cross multiply
    198,155.60x = 273,448.68 × 141,661.52
  4. Step 4: Simplify right side
    198,155.60x = 38,737,155,650.79
  5. Step 5: Solve for x
    x = 38,737,155,650.79/198,155.60
  6. Step 6: Final answer
    x = 195,488.57

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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.