Home / 281,333.25-422,036.93-91,727.04

Finding the Fourth Proportional to 281,333.25, 422,036.93 and 91,727.04

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Solution

The fourth proportional to 281,333.25, 422,036.93 and 91,727.04 is: 137,602.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,333.25 : 422,036.93 = 91,727.04 : x
  2. Step 2: Convert to fraction form
    281,333.25/422,036.93 = 91,727.04/x
  3. Step 3: Cross multiply
    281,333.25x = 422,036.93 × 91,727.04
  4. Step 4: Simplify right side
    281,333.25x = 38,712,198,359.59
  5. Step 5: Solve for x
    x = 38,712,198,359.59/281,333.25
  6. Step 6: Final answer
    x = 137,602.64

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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.