Home / 107,363.88-160,982.91-71,865.63

Finding the Fourth Proportional to 107,363.88, 160,982.91 and 71,865.63

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Solution

The fourth proportional to 107,363.88, 160,982.91 and 71,865.63 is: 107,756.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,363.88 : 160,982.91 = 71,865.63 : x
  2. Step 2: Convert to fraction form
    107,363.88/160,982.91 = 71,865.63/x
  3. Step 3: Cross multiply
    107,363.88x = 160,982.91 × 71,865.63
  4. Step 4: Simplify right side
    107,363.88x = 11,569,138,246.38
  5. Step 5: Solve for x
    x = 11,569,138,246.38/107,363.88
  6. Step 6: Final answer
    x = 107,756.34

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1.5x scale

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.