Home / 105,707.40-158,560.38-25,744.41

Finding the Fourth Proportional to 105,707.40, 158,560.38 and 25,744.41

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Solution

The fourth proportional to 105,707.40, 158,560.38 and 25,744.41 is: 38,616.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,707.40 : 158,560.38 = 25,744.41 : x
  2. Step 2: Convert to fraction form
    105,707.40/158,560.38 = 25,744.41/x
  3. Step 3: Cross multiply
    105,707.40x = 158,560.38 × 25,744.41
  4. Step 4: Simplify right side
    105,707.40x = 4,082,043,432.48
  5. Step 5: Solve for x
    x = 4,082,043,432.48/105,707.40
  6. Step 6: Final answer
    x = 38,616.44

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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.