Home / 161,358.54-222,673.23-89,735.10

Finding the Fourth Proportional to 161,358.54, 222,673.23 and 89,735.10

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Solution

The fourth proportional to 161,358.54, 222,673.23 and 89,735.10 is: 123,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,358.54 : 222,673.23 = 89,735.10 : x
  2. Step 2: Convert to fraction form
    161,358.54/222,673.23 = 89,735.10/x
  3. Step 3: Cross multiply
    161,358.54x = 222,673.23 × 89,735.10
  4. Step 4: Simplify right side
    161,358.54x = 19,981,604,561.37
  5. Step 5: Solve for x
    x = 19,981,604,561.37/161,358.54
  6. Step 6: Final answer
    x = 123,833.57

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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.