Home / 116,105.40-160,240.28-68,363.19

Finding the Fourth Proportional to 116,105.40, 160,240.28 and 68,363.19

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Solution

The fourth proportional to 116,105.40, 160,240.28 and 68,363.19 is: 94,349.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,105.40 : 160,240.28 = 68,363.19 : x
  2. Step 2: Convert to fraction form
    116,105.40/160,240.28 = 68,363.19/x
  3. Step 3: Cross multiply
    116,105.40x = 160,240.28 × 68,363.19
  4. Step 4: Simplify right side
    116,105.40x = 10,954,536,365.48
  5. Step 5: Solve for x
    x = 10,954,536,365.48/116,105.40
  6. Step 6: Final answer
    x = 94,349.93

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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.