Home / 115,171.53-158,842.71-96,703.32

Finding the Fourth Proportional to 115,171.53, 158,842.71 and 96,703.32

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Solution

The fourth proportional to 115,171.53, 158,842.71 and 96,703.32 is: 133,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,171.53 : 158,842.71 = 96,703.32 : x
  2. Step 2: Convert to fraction form
    115,171.53/158,842.71 = 96,703.32/x
  3. Step 3: Cross multiply
    115,171.53x = 158,842.71 × 96,703.32
  4. Step 4: Simplify right side
    115,171.53x = 15,360,617,414.80
  5. Step 5: Solve for x
    x = 15,360,617,414.80/115,171.53
  6. Step 6: Final answer
    x = 133,371.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.