Home / 141,213.13-194,891.40-81,597.13

Finding the Fourth Proportional to 141,213.13, 194,891.40 and 81,597.13

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Solution

The fourth proportional to 141,213.13, 194,891.40 and 81,597.13 is: 112,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,213.13 : 194,891.40 = 81,597.13 : x
  2. Step 2: Convert to fraction form
    141,213.13/194,891.40 = 81,597.13/x
  3. Step 3: Cross multiply
    141,213.13x = 194,891.40 × 81,597.13
  4. Step 4: Simplify right side
    141,213.13x = 15,902,577,927.23
  5. Step 5: Solve for x
    x = 15,902,577,927.23/141,213.13
  6. Step 6: Final answer
    x = 112,614.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.