Home / 116,887.18-161,264.91-66,550.54

Finding the Fourth Proportional to 116,887.18, 161,264.91 and 66,550.54

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Solution

The fourth proportional to 116,887.18, 161,264.91 and 66,550.54 is: 91,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,887.18 : 161,264.91 = 66,550.54 : x
  2. Step 2: Convert to fraction form
    116,887.18/161,264.91 = 66,550.54/x
  3. Step 3: Cross multiply
    116,887.18x = 161,264.91 × 66,550.54
  4. Step 4: Simplify right side
    116,887.18x = 10,732,266,843.55
  5. Step 5: Solve for x
    x = 10,732,266,843.55/116,887.18
  6. Step 6: Final answer
    x = 91,817.31

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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.