Home / 232,171.45-348,291.78-82,399.20

Finding the Fourth Proportional to 232,171.45, 348,291.78 and 82,399.20

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Solution

The fourth proportional to 232,171.45, 348,291.78 and 82,399.20 is: 123,611.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,171.45 : 348,291.78 = 82,399.20 : x
  2. Step 2: Convert to fraction form
    232,171.45/348,291.78 = 82,399.20/x
  3. Step 3: Cross multiply
    232,171.45x = 348,291.78 × 82,399.20
  4. Step 4: Simplify right side
    232,171.45x = 28,698,964,925.11
  5. Step 5: Solve for x
    x = 28,698,964,925.11/232,171.45
  6. Step 6: Final answer
    x = 123,611.08

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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.