Home / 161,207.26-222,471.42-89,590.30

Finding the Fourth Proportional to 161,207.26, 222,471.42 and 89,590.30

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Solution

The fourth proportional to 161,207.26, 222,471.42 and 89,590.30 is: 123,637.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,207.26 : 222,471.42 = 89,590.30 : x
  2. Step 2: Convert to fraction form
    161,207.26/222,471.42 = 89,590.30/x
  3. Step 3: Cross multiply
    161,207.26x = 222,471.42 × 89,590.30
  4. Step 4: Simplify right side
    161,207.26x = 19,931,281,259.23
  5. Step 5: Solve for x
    x = 19,931,281,259.23/161,207.26
  6. Step 6: Final answer
    x = 123,637.62

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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.