Home / 105,364.20-158,046.30-104,708.10

Finding the Fourth Proportional to 105,364.20, 158,046.30 and 104,708.10

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Solution

The fourth proportional to 105,364.20, 158,046.30 and 104,708.10 is: 157,062.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,364.20 : 158,046.30 = 104,708.10 : x
  2. Step 2: Convert to fraction form
    105,364.20/158,046.30 = 104,708.10/x
  3. Step 3: Cross multiply
    105,364.20x = 158,046.30 × 104,708.10
  4. Step 4: Simplify right side
    105,364.20x = 16,548,727,785.03
  5. Step 5: Solve for x
    x = 16,548,727,785.03/105,364.20
  6. Step 6: Final answer
    x = 157,062.15

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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.