Home / 141,902.04-195,853.18-81,514.10

Finding the Fourth Proportional to 141,902.04, 195,853.18 and 81,514.10

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Solution

The fourth proportional to 141,902.04, 195,853.18 and 81,514.10 is: 112,505.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,902.04 : 195,853.18 = 81,514.10 : x
  2. Step 2: Convert to fraction form
    141,902.04/195,853.18 = 81,514.10/x
  3. Step 3: Cross multiply
    141,902.04x = 195,853.18 × 81,514.10
  4. Step 4: Simplify right side
    141,902.04x = 15,964,795,699.84
  5. Step 5: Solve for x
    x = 15,964,795,699.84/141,902.04
  6. Step 6: Final answer
    x = 112,505.75

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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.