Home / 95,140.08-131,356.44-89,192.88

Finding the Fourth Proportional to 95,140.08, 131,356.44 and 89,192.88

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Solution

The fourth proportional to 95,140.08, 131,356.44 and 89,192.88 is: 123,145.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,140.08 : 131,356.44 = 89,192.88 : x
  2. Step 2: Convert to fraction form
    95,140.08/131,356.44 = 89,192.88/x
  3. Step 3: Cross multiply
    95,140.08x = 131,356.44 × 89,192.88
  4. Step 4: Simplify right side
    95,140.08x = 11,716,059,190.15
  5. Step 5: Solve for x
    x = 11,716,059,190.15/95,140.08
  6. Step 6: Final answer
    x = 123,145.36

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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.