Home / 113,429.19-169,956.57-65,910.90

Finding the Fourth Proportional to 113,429.19, 169,956.57 and 65,910.90

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Solution

The fourth proportional to 113,429.19, 169,956.57 and 65,910.90 is: 98,757.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,429.19 : 169,956.57 = 65,910.90 : x
  2. Step 2: Convert to fraction form
    113,429.19/169,956.57 = 65,910.90/x
  3. Step 3: Cross multiply
    113,429.19x = 169,956.57 × 65,910.90
  4. Step 4: Simplify right side
    113,429.19x = 11,201,990,489.61
  5. Step 5: Solve for x
    x = 11,201,990,489.61/113,429.19
  6. Step 6: Final answer
    x = 98,757.56

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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.