Home / 116,725.10-161,080.94-68,318.25

Finding the Fourth Proportional to 116,725.10, 161,080.94 and 68,318.25

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Solution

The fourth proportional to 116,725.10, 161,080.94 and 68,318.25 is: 94,279.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,725.10 : 161,080.94 = 68,318.25 : x
  2. Step 2: Convert to fraction form
    116,725.10/161,080.94 = 68,318.25/x
  3. Step 3: Cross multiply
    116,725.10x = 161,080.94 × 68,318.25
  4. Step 4: Simplify right side
    116,725.10x = 11,004,766,782.16
  5. Step 5: Solve for x
    x = 11,004,766,782.16/116,725.10
  6. Step 6: Final answer
    x = 94,279.36

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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.