Home / 115,192.82-158,960.46-64,211.10

Finding the Fourth Proportional to 115,192.82, 158,960.46 and 64,211.10

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Solution

The fourth proportional to 115,192.82, 158,960.46 and 64,211.10 is: 88,608.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,192.82 : 158,960.46 = 64,211.10 : x
  2. Step 2: Convert to fraction form
    115,192.82/158,960.46 = 64,211.10/x
  3. Step 3: Cross multiply
    115,192.82x = 158,960.46 × 64,211.10
  4. Step 4: Simplify right side
    115,192.82x = 10,207,025,993.11
  5. Step 5: Solve for x
    x = 10,207,025,993.11/115,192.82
  6. Step 6: Final answer
    x = 88,608.18

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1.5x scale

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.