Home / 115,181.22-158,952.66-64,199.16

Finding the Fourth Proportional to 115,181.22, 158,952.66 and 64,199.16

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Solution

The fourth proportional to 115,181.22, 158,952.66 and 64,199.16 is: 88,596.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,181.22 : 158,952.66 = 64,199.16 : x
  2. Step 2: Convert to fraction form
    115,181.22/158,952.66 = 64,199.16/x
  3. Step 3: Cross multiply
    115,181.22x = 158,952.66 × 64,199.16
  4. Step 4: Simplify right side
    115,181.22x = 10,204,627,251.77
  5. Step 5: Solve for x
    x = 10,204,627,251.77/115,181.22
  6. Step 6: Final answer
    x = 88,596.28

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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.