Home / 205,453.16-308,873.66-165,960.04

Finding the Fourth Proportional to 205,453.16, 308,873.66 and 165,960.04

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Solution

The fourth proportional to 205,453.16, 308,873.66 and 165,960.04 is: 249,500.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,453.16 : 308,873.66 = 165,960.04 : x
  2. Step 2: Convert to fraction form
    205,453.16/308,873.66 = 165,960.04/x
  3. Step 3: Cross multiply
    205,453.16x = 308,873.66 × 165,960.04
  4. Step 4: Simplify right side
    205,453.16x = 51,260,683,945.70
  5. Step 5: Solve for x
    x = 51,260,683,945.70/205,453.16
  6. Step 6: Final answer
    x = 249,500.59

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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.