Home / 89,186.30-133,765.22-25,991.65

Finding the Fourth Proportional to 89,186.30, 133,765.22 and 25,991.65

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Solution

The fourth proportional to 89,186.30, 133,765.22 and 25,991.65 is: 38,983.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,186.30 : 133,765.22 = 25,991.65 : x
  2. Step 2: Convert to fraction form
    89,186.30/133,765.22 = 25,991.65/x
  3. Step 3: Cross multiply
    89,186.30x = 133,765.22 × 25,991.65
  4. Step 4: Simplify right side
    89,186.30x = 3,476,778,316.04
  5. Step 5: Solve for x
    x = 3,476,778,316.04/89,186.30
  6. Step 6: Final answer
    x = 38,983.32

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1.5x scale

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.