Home / 161,058.96-222,268.77-89,439.27

Finding the Fourth Proportional to 161,058.96, 222,268.77 and 89,439.27

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Solution

The fourth proportional to 161,058.96, 222,268.77 and 89,439.27 is: 123,430.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,058.96 : 222,268.77 = 89,439.27 : x
  2. Step 2: Convert to fraction form
    161,058.96/222,268.77 = 89,439.27/x
  3. Step 3: Cross multiply
    161,058.96x = 222,268.77 × 89,439.27
  4. Step 4: Simplify right side
    161,058.96x = 19,879,556,532.60
  5. Step 5: Solve for x
    x = 19,879,556,532.60/161,058.96
  6. Step 6: Final answer
    x = 123,430.30

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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.