Home / 141,524.80-212,287.20-136,081.60

Finding the Fourth Proportional to 141,524.80, 212,287.20 and 136,081.60

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Solution

The fourth proportional to 141,524.80, 212,287.20 and 136,081.60 is: 204,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,524.80 : 212,287.20 = 136,081.60 : x
  2. Step 2: Convert to fraction form
    141,524.80/212,287.20 = 136,081.60/x
  3. Step 3: Cross multiply
    141,524.80x = 212,287.20 × 136,081.60
  4. Step 4: Simplify right side
    141,524.80x = 28,888,381,835.52
  5. Step 5: Solve for x
    x = 28,888,381,835.52/141,524.80
  6. Step 6: Final answer
    x = 204,122.40

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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.