Home / 161,412.48-222,723.54-89,792.28

Finding the Fourth Proportional to 161,412.48, 222,723.54 and 89,792.28

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Solution

The fourth proportional to 161,412.48, 222,723.54 and 89,792.28 is: 123,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,412.48 : 222,723.54 = 89,792.28 : x
  2. Step 2: Convert to fraction form
    161,412.48/222,723.54 = 89,792.28/x
  3. Step 3: Cross multiply
    161,412.48x = 222,723.54 × 89,792.28
  4. Step 4: Simplify right side
    161,412.48x = 19,998,854,466.27
  5. Step 5: Solve for x
    x = 19,998,854,466.27/161,412.48
  6. Step 6: Final answer
    x = 123,899.06

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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.