Home / 186,872.82-280,346.16-68,545.26

Finding the Fourth Proportional to 186,872.82, 280,346.16 and 68,545.26

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Solution

The fourth proportional to 186,872.82, 280,346.16 and 68,545.26 is: 102,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,872.82 : 280,346.16 = 68,545.26 : x
  2. Step 2: Convert to fraction form
    186,872.82/280,346.16 = 68,545.26/x
  3. Step 3: Cross multiply
    186,872.82x = 280,346.16 × 68,545.26
  4. Step 4: Simplify right side
    186,872.82x = 19,216,400,427.20
  5. Step 5: Solve for x
    x = 19,216,400,427.20/186,872.82
  6. Step 6: Final answer
    x = 102,831.44

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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.