Home / 94,132.30-141,198.45-81,010.30

Finding the Fourth Proportional to 94,132.30, 141,198.45 and 81,010.30

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Solution

The fourth proportional to 94,132.30, 141,198.45 and 81,010.30 is: 121,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,132.30 : 141,198.45 = 81,010.30 : x
  2. Step 2: Convert to fraction form
    94,132.30/141,198.45 = 81,010.30/x
  3. Step 3: Cross multiply
    94,132.30x = 141,198.45 × 81,010.30
  4. Step 4: Simplify right side
    94,132.30x = 11,438,528,794.04
  5. Step 5: Solve for x
    x = 11,438,528,794.04/94,132.30
  6. Step 6: Final answer
    x = 121,515.45

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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.