Home / 105,506.28-158,208.66-35,336.52

Finding the Fourth Proportional to 105,506.28, 158,208.66 and 35,336.52

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Solution

The fourth proportional to 105,506.28, 158,208.66 and 35,336.52 is: 52,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,506.28 : 158,208.66 = 35,336.52 : x
  2. Step 2: Convert to fraction form
    105,506.28/158,208.66 = 35,336.52/x
  3. Step 3: Cross multiply
    105,506.28x = 158,208.66 × 35,336.52
  4. Step 4: Simplify right side
    105,506.28x = 5,590,543,478.26
  5. Step 5: Solve for x
    x = 5,590,543,478.26/105,506.28
  6. Step 6: Final answer
    x = 52,987.78

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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.