Home / 185,654.18-278,252.51-73,221.32

Finding the Fourth Proportional to 185,654.18, 278,252.51 and 73,221.32

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Solution

The fourth proportional to 185,654.18, 278,252.51 and 73,221.32 is: 109,741.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,654.18 : 278,252.51 = 73,221.32 : x
  2. Step 2: Convert to fraction form
    185,654.18/278,252.51 = 73,221.32/x
  3. Step 3: Cross multiply
    185,654.18x = 278,252.51 × 73,221.32
  4. Step 4: Simplify right side
    185,654.18x = 20,374,014,318.14
  5. Step 5: Solve for x
    x = 20,374,014,318.14/185,654.18
  6. Step 6: Final answer
    x = 109,741.75

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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.