Home / 165,179.70-247,769.55-118,869.30

Finding the Fourth Proportional to 165,179.70, 247,769.55 and 118,869.30

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Solution

The fourth proportional to 165,179.70, 247,769.55 and 118,869.30 is: 178,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,179.70 : 247,769.55 = 118,869.30 : x
  2. Step 2: Convert to fraction form
    165,179.70/247,769.55 = 118,869.30/x
  3. Step 3: Cross multiply
    165,179.70x = 247,769.55 × 118,869.30
  4. Step 4: Simplify right side
    165,179.70x = 29,452,192,969.82
  5. Step 5: Solve for x
    x = 29,452,192,969.82/165,179.70
  6. Step 6: Final answer
    x = 178,303.95

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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.