Home / 105,815.92-158,724.84-26,930.24

Finding the Fourth Proportional to 105,815.92, 158,724.84 and 26,930.24

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Solution

The fourth proportional to 105,815.92, 158,724.84 and 26,930.24 is: 40,395.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,815.92 : 158,724.84 = 26,930.24 : x
  2. Step 2: Convert to fraction form
    105,815.92/158,724.84 = 26,930.24/x
  3. Step 3: Cross multiply
    105,815.92x = 158,724.84 × 26,930.24
  4. Step 4: Simplify right side
    105,815.92x = 4,274,498,035.16
  5. Step 5: Solve for x
    x = 4,274,498,035.16/105,815.92
  6. Step 6: Final answer
    x = 40,395.60

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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.