Home / 119,845.46-165,381.18-68,822.28

Finding the Fourth Proportional to 119,845.46, 165,381.18 and 68,822.28

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Solution

The fourth proportional to 119,845.46, 165,381.18 and 68,822.28 is: 94,971.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,845.46 : 165,381.18 = 68,822.28 : x
  2. Step 2: Convert to fraction form
    119,845.46/165,381.18 = 68,822.28/x
  3. Step 3: Cross multiply
    119,845.46x = 165,381.18 × 68,822.28
  4. Step 4: Simplify right side
    119,845.46x = 11,381,909,876.69
  5. Step 5: Solve for x
    x = 11,381,909,876.69/119,845.46
  6. Step 6: Final answer
    x = 94,971.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.