Home / 105,934.20-158,901.28-27,045.60

Finding the Fourth Proportional to 105,934.20, 158,901.28 and 27,045.60

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Solution

The fourth proportional to 105,934.20, 158,901.28 and 27,045.60 is: 40,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,934.20 : 158,901.28 = 27,045.60 : x
  2. Step 2: Convert to fraction form
    105,934.20/158,901.28 = 27,045.60/x
  3. Step 3: Cross multiply
    105,934.20x = 158,901.28 × 27,045.60
  4. Step 4: Simplify right side
    105,934.20x = 4,297,580,458.37
  5. Step 5: Solve for x
    x = 4,297,580,458.37/105,934.20
  6. Step 6: Final answer
    x = 40,568.39

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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.