Home / 160,939.08-222,091.70-89,317.26

Finding the Fourth Proportional to 160,939.08, 222,091.70 and 89,317.26

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Solution

The fourth proportional to 160,939.08, 222,091.70 and 89,317.26 is: 123,255.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,939.08 : 222,091.70 = 89,317.26 : x
  2. Step 2: Convert to fraction form
    160,939.08/222,091.70 = 89,317.26/x
  3. Step 3: Cross multiply
    160,939.08x = 222,091.70 × 89,317.26
  4. Step 4: Simplify right side
    160,939.08x = 19,836,622,112.74
  5. Step 5: Solve for x
    x = 19,836,622,112.74/160,939.08
  6. Step 6: Final answer
    x = 123,255.47

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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.