Home / 198,378.15-273,767.26-116,712.13

Finding the Fourth Proportional to 198,378.15, 273,767.26 and 116,712.13

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Solution

The fourth proportional to 198,378.15, 273,767.26 and 116,712.13 is: 161,065.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,378.15 : 273,767.26 = 116,712.13 : x
  2. Step 2: Convert to fraction form
    198,378.15/273,767.26 = 116,712.13/x
  3. Step 3: Cross multiply
    198,378.15x = 273,767.26 × 116,712.13
  4. Step 4: Simplify right side
    198,378.15x = 31,951,960,038.86
  5. Step 5: Solve for x
    x = 31,951,960,038.86/198,378.15
  6. Step 6: Final answer
    x = 161,065.92

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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.