Home / 131,559.15-197,371.14-38,074.35

Finding the Fourth Proportional to 131,559.15, 197,371.14 and 38,074.35

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Solution

The fourth proportional to 131,559.15, 197,371.14 and 38,074.35 is: 57,120.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,559.15 : 197,371.14 = 38,074.35 : x
  2. Step 2: Convert to fraction form
    131,559.15/197,371.14 = 38,074.35/x
  3. Step 3: Cross multiply
    131,559.15x = 197,371.14 × 38,074.35
  4. Step 4: Simplify right side
    131,559.15x = 7,514,777,864.26
  5. Step 5: Solve for x
    x = 7,514,777,864.26/131,559.15
  6. Step 6: Final answer
    x = 57,120.91

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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.