Home / 131,703.80-197,555.16-52,761.56

Finding the Fourth Proportional to 131,703.80, 197,555.16 and 52,761.56

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Solution

The fourth proportional to 131,703.80, 197,555.16 and 52,761.56 is: 79,142.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,703.80 : 197,555.16 = 52,761.56 : x
  2. Step 2: Convert to fraction form
    131,703.80/197,555.16 = 52,761.56/x
  3. Step 3: Cross multiply
    131,703.80x = 197,555.16 × 52,761.56
  4. Step 4: Simplify right side
    131,703.80x = 10,423,318,427.65
  5. Step 5: Solve for x
    x = 10,423,318,427.65/131,703.80
  6. Step 6: Final answer
    x = 79,142.12

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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.