Home / 176,565.97-243,667.07-100,084.15

Finding the Fourth Proportional to 176,565.97, 243,667.07 and 100,084.15

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Solution

The fourth proportional to 176,565.97, 243,667.07 and 100,084.15 is: 138,119.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,565.97 : 243,667.07 = 100,084.15 : x
  2. Step 2: Convert to fraction form
    176,565.97/243,667.07 = 100,084.15/x
  3. Step 3: Cross multiply
    176,565.97x = 243,667.07 × 100,084.15
  4. Step 4: Simplify right side
    176,565.97x = 24,387,211,583.94
  5. Step 5: Solve for x
    x = 24,387,211,583.94/176,565.97
  6. Step 6: Final answer
    x = 138,119.55

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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.