Home / 393,177.28-542,529.92-232,039.04

Finding the Fourth Proportional to 393,177.28, 542,529.92 and 232,039.04

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Solution

The fourth proportional to 393,177.28, 542,529.92 and 232,039.04 is: 320,181.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,177.28 : 542,529.92 = 232,039.04 : x
  2. Step 2: Convert to fraction form
    393,177.28/542,529.92 = 232,039.04/x
  3. Step 3: Cross multiply
    393,177.28x = 542,529.92 × 232,039.04
  4. Step 4: Simplify right side
    393,177.28x = 125,888,121,808.08
  5. Step 5: Solve for x
    x = 125,888,121,808.08/393,177.28
  6. Step 6: Final answer
    x = 320,181.58

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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.