Home / 160,879.25-222,013.40-89,259.10

Finding the Fourth Proportional to 160,879.25, 222,013.40 and 89,259.10

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Solution

The fourth proportional to 160,879.25, 222,013.40 and 89,259.10 is: 123,177.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,879.25 : 222,013.40 = 89,259.10 : x
  2. Step 2: Convert to fraction form
    160,879.25/222,013.40 = 89,259.10/x
  3. Step 3: Cross multiply
    160,879.25x = 222,013.40 × 89,259.10
  4. Step 4: Simplify right side
    160,879.25x = 19,816,715,825.64
  5. Step 5: Solve for x
    x = 19,816,715,825.64/160,879.25
  6. Step 6: Final answer
    x = 123,177.57

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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.