Home / 131,701.80-197,552.16-52,759.56

Finding the Fourth Proportional to 131,701.80, 197,552.16 and 52,759.56

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Solution

The fourth proportional to 131,701.80, 197,552.16 and 52,759.56 is: 79,139.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,701.80 : 197,552.16 = 52,759.56 : x
  2. Step 2: Convert to fraction form
    131,701.80/197,552.16 = 52,759.56/x
  3. Step 3: Cross multiply
    131,701.80x = 197,552.16 × 52,759.56
  4. Step 4: Simplify right side
    131,701.80x = 10,422,765,038.65
  5. Step 5: Solve for x
    x = 10,422,765,038.65/131,701.80
  6. Step 6: Final answer
    x = 79,139.12

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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.