Home / 105,542.56-158,372.16-58,821.76

Finding the Fourth Proportional to 105,542.56, 158,372.16 and 58,821.76

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Solution

The fourth proportional to 105,542.56, 158,372.16 and 58,821.76 is: 88,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,542.56 : 158,372.16 = 58,821.76 : x
  2. Step 2: Convert to fraction form
    105,542.56/158,372.16 = 58,821.76/x
  3. Step 3: Cross multiply
    105,542.56x = 158,372.16 × 58,821.76
  4. Step 4: Simplify right side
    105,542.56x = 9,315,729,186.20
  5. Step 5: Solve for x
    x = 9,315,729,186.20/105,542.56
  6. Step 6: Final answer
    x = 88,265.14

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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.