Home / 164,774.82-247,073.29-74,768.43

Finding the Fourth Proportional to 164,774.82, 247,073.29 and 74,768.43

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Solution

The fourth proportional to 164,774.82, 247,073.29 and 74,768.43 is: 112,112.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,774.82 : 247,073.29 = 74,768.43 : x
  2. Step 2: Convert to fraction form
    164,774.82/247,073.29 = 74,768.43/x
  3. Step 3: Cross multiply
    164,774.82x = 247,073.29 × 74,768.43
  4. Step 4: Simplify right side
    164,774.82x = 18,473,282,727.84
  5. Step 5: Solve for x
    x = 18,473,282,727.84/164,774.82
  6. Step 6: Final answer
    x = 112,112.29

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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.