Home / 119,756.28-165,263.62-68,772.36

Finding the Fourth Proportional to 119,756.28, 165,263.62 and 68,772.36

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Solution

The fourth proportional to 119,756.28, 165,263.62 and 68,772.36 is: 94,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,756.28 : 165,263.62 = 68,772.36 : x
  2. Step 2: Convert to fraction form
    119,756.28/165,263.62 = 68,772.36/x
  3. Step 3: Cross multiply
    119,756.28x = 165,263.62 × 68,772.36
  4. Step 4: Simplify right side
    119,756.28x = 11,365,569,169.54
  5. Step 5: Solve for x
    x = 11,365,569,169.54/119,756.28
  6. Step 6: Final answer
    x = 94,905.83

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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.