Home / 123,210.84-184,844.04-38,976.12

Finding the Fourth Proportional to 123,210.84, 184,844.04 and 38,976.12

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Solution

The fourth proportional to 123,210.84, 184,844.04 and 38,976.12 is: 58,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,210.84 : 184,844.04 = 38,976.12 : x
  2. Step 2: Convert to fraction form
    123,210.84/184,844.04 = 38,976.12/x
  3. Step 3: Cross multiply
    123,210.84x = 184,844.04 × 38,976.12
  4. Step 4: Simplify right side
    123,210.84x = 7,204,503,484.32
  5. Step 5: Solve for x
    x = 7,204,503,484.32/123,210.84
  6. Step 6: Final answer
    x = 58,472.97

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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.