Home / 94,200.30-141,300.45-81,515.70

Finding the Fourth Proportional to 94,200.30, 141,300.45 and 81,515.70

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Solution

The fourth proportional to 94,200.30, 141,300.45 and 81,515.70 is: 122,273.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,200.30 : 141,300.45 = 81,515.70 : x
  2. Step 2: Convert to fraction form
    94,200.30/141,300.45 = 81,515.70/x
  3. Step 3: Cross multiply
    94,200.30x = 141,300.45 × 81,515.70
  4. Step 4: Simplify right side
    94,200.30x = 11,518,205,092.07
  5. Step 5: Solve for x
    x = 11,518,205,092.07/94,200.30
  6. Step 6: Final answer
    x = 122,273.55

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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.