Home / 131,305.52-181,195.08-77,593.04

Finding the Fourth Proportional to 131,305.52, 181,195.08 and 77,593.04

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Solution

The fourth proportional to 131,305.52, 181,195.08 and 77,593.04 is: 107,074.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,305.52 : 181,195.08 = 77,593.04 : x
  2. Step 2: Convert to fraction form
    131,305.52/181,195.08 = 77,593.04/x
  3. Step 3: Cross multiply
    131,305.52x = 181,195.08 × 77,593.04
  4. Step 4: Simplify right side
    131,305.52x = 14,059,477,090.24
  5. Step 5: Solve for x
    x = 14,059,477,090.24/131,305.52
  6. Step 6: Final answer
    x = 107,074.53

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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.