Home / 181,039.77-271,329.84-81,195.93

Finding the Fourth Proportional to 181,039.77, 271,329.84 and 81,195.93

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Solution

The fourth proportional to 181,039.77, 271,329.84 and 81,195.93 is: 121,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,039.77 : 271,329.84 = 81,195.93 : x
  2. Step 2: Convert to fraction form
    181,039.77/271,329.84 = 81,195.93/x
  3. Step 3: Cross multiply
    181,039.77x = 271,329.84 × 81,195.93
  4. Step 4: Simplify right side
    181,039.77x = 22,030,878,695.55
  5. Step 5: Solve for x
    x = 22,030,878,695.55/181,039.77
  6. Step 6: Final answer
    x = 121,690.82

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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.