Home / 175,286.51-241,945-103,691.42

Finding the Fourth Proportional to 175,286.51, 241,945 and 103,691.42

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Solution

The fourth proportional to 175,286.51, 241,945 and 103,691.42 is: 143,123.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,286.51 : 241,945 = 103,691.42 : x
  2. Step 2: Convert to fraction form
    175,286.51/241,945 = 103,691.42/x
  3. Step 3: Cross multiply
    175,286.51x = 241,945 × 103,691.42
  4. Step 4: Simplify right side
    175,286.51x = 25,087,620,611.90
  5. Step 5: Solve for x
    x = 25,087,620,611.90/175,286.51
  6. Step 6: Final answer
    x = 143,123.51

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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.