Home / 161,244.36-222,513.38-89,623.72

Finding the Fourth Proportional to 161,244.36, 222,513.38 and 89,623.72

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Solution

The fourth proportional to 161,244.36, 222,513.38 and 89,623.72 is: 123,678.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,244.36 : 222,513.38 = 89,623.72 : x
  2. Step 2: Convert to fraction form
    161,244.36/222,513.38 = 89,623.72/x
  3. Step 3: Cross multiply
    161,244.36x = 222,513.38 × 89,623.72
  4. Step 4: Simplify right side
    161,244.36x = 19,942,476,865.37
  5. Step 5: Solve for x
    x = 19,942,476,865.37/161,244.36
  6. Step 6: Final answer
    x = 123,678.60

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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.