Home / 132,710.15-199,063.99-53,805.62

Finding the Fourth Proportional to 132,710.15, 199,063.99 and 53,805.62

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Solution

The fourth proportional to 132,710.15, 199,063.99 and 53,805.62 is: 80,707.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,710.15 : 199,063.99 = 53,805.62 : x
  2. Step 2: Convert to fraction form
    132,710.15/199,063.99 = 53,805.62/x
  3. Step 3: Cross multiply
    132,710.15x = 199,063.99 × 53,805.62
  4. Step 4: Simplify right side
    132,710.15x = 10,710,761,401.62
  5. Step 5: Solve for x
    x = 10,710,761,401.62/132,710.15
  6. Step 6: Final answer
    x = 80,707.93

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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.