Home / 94,191.84-141,275.61-78,494.85

Finding the Fourth Proportional to 94,191.84, 141,275.61 and 78,494.85

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Solution

The fourth proportional to 94,191.84, 141,275.61 and 78,494.85 is: 117,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,191.84 : 141,275.61 = 78,494.85 : x
  2. Step 2: Convert to fraction form
    94,191.84/141,275.61 = 78,494.85/x
  3. Step 3: Cross multiply
    94,191.84x = 141,275.61 × 78,494.85
  4. Step 4: Simplify right side
    94,191.84x = 11,089,407,815.61
  5. Step 5: Solve for x
    x = 11,089,407,815.61/94,191.84
  6. Step 6: Final answer
    x = 117,732.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.