Home / 94,221.20-141,331.80-66,227.60

Finding the Fourth Proportional to 94,221.20, 141,331.80 and 66,227.60

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Solution

The fourth proportional to 94,221.20, 141,331.80 and 66,227.60 is: 99,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,221.20 : 141,331.80 = 66,227.60 : x
  2. Step 2: Convert to fraction form
    94,221.20/141,331.80 = 66,227.60/x
  3. Step 3: Cross multiply
    94,221.20x = 141,331.80 × 66,227.60
  4. Step 4: Simplify right side
    94,221.20x = 9,360,065,917.68
  5. Step 5: Solve for x
    x = 9,360,065,917.68/94,221.20
  6. Step 6: Final answer
    x = 99,341.40

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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.