Home / 204,028.02-281,565.51-113,387.81

Finding the Fourth Proportional to 204,028.02, 281,565.51 and 113,387.81

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Solution

The fourth proportional to 204,028.02, 281,565.51 and 113,387.81 is: 156,478.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,028.02 : 281,565.51 = 113,387.81 : x
  2. Step 2: Convert to fraction form
    204,028.02/281,565.51 = 113,387.81/x
  3. Step 3: Cross multiply
    204,028.02x = 281,565.51 × 113,387.81
  4. Step 4: Simplify right side
    204,028.02x = 31,926,096,550.43
  5. Step 5: Solve for x
    x = 31,926,096,550.43/204,028.02
  6. Step 6: Final answer
    x = 156,478.98

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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.