Home / 116,601.36-160,906.44-65,617.04

Finding the Fourth Proportional to 116,601.36, 160,906.44 and 65,617.04

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Solution

The fourth proportional to 116,601.36, 160,906.44 and 65,617.04 is: 90,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,601.36 : 160,906.44 = 65,617.04 : x
  2. Step 2: Convert to fraction form
    116,601.36/160,906.44 = 65,617.04/x
  3. Step 3: Cross multiply
    116,601.36x = 160,906.44 × 65,617.04
  4. Step 4: Simplify right side
    116,601.36x = 10,558,204,309.74
  5. Step 5: Solve for x
    x = 10,558,204,309.74/116,601.36
  6. Step 6: Final answer
    x = 90,549.58

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1.5x scale

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.