Home / 144,065.97-198,837.06-85,926.43

Finding the Fourth Proportional to 144,065.97, 198,837.06 and 85,926.43

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Solution

The fourth proportional to 144,065.97, 198,837.06 and 85,926.43 is: 118,593.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,065.97 : 198,837.06 = 85,926.43 : x
  2. Step 2: Convert to fraction form
    144,065.97/198,837.06 = 85,926.43/x
  3. Step 3: Cross multiply
    144,065.97x = 198,837.06 × 85,926.43
  4. Step 4: Simplify right side
    144,065.97x = 17,085,358,205.42
  5. Step 5: Solve for x
    x = 17,085,358,205.42/144,065.97
  6. Step 6: Final answer
    x = 118,593.99

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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.