Home / 94,204.20-141,934.60-85,208.70

Finding the Fourth Proportional to 94,204.20, 141,934.60 and 85,208.70

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Solution

The fourth proportional to 94,204.20, 141,934.60 and 85,208.70 is: 128,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,204.20 : 141,934.60 = 85,208.70 : x
  2. Step 2: Convert to fraction form
    94,204.20/141,934.60 = 85,208.70/x
  3. Step 3: Cross multiply
    94,204.20x = 141,934.60 × 85,208.70
  4. Step 4: Simplify right side
    94,204.20x = 12,094,062,751.02
  5. Step 5: Solve for x
    x = 12,094,062,751.02/94,204.20
  6. Step 6: Final answer
    x = 128,381.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.