Home / 105,509.28-158,213.16-35,339.52

Finding the Fourth Proportional to 105,509.28, 158,213.16 and 35,339.52

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Solution

The fourth proportional to 105,509.28, 158,213.16 and 35,339.52 is: 52,992.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,509.28 : 158,213.16 = 35,339.52 : x
  2. Step 2: Convert to fraction form
    105,509.28/158,213.16 = 35,339.52/x
  3. Step 3: Cross multiply
    105,509.28x = 158,213.16 × 35,339.52
  4. Step 4: Simplify right side
    105,509.28x = 5,591,177,132.08
  5. Step 5: Solve for x
    x = 5,591,177,132.08/105,509.28
  6. Step 6: Final answer
    x = 52,992.28

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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.