Home / 161,028.60-222,212.73-89,404.35

Finding the Fourth Proportional to 161,028.60, 222,212.73 and 89,404.35

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Solution

The fourth proportional to 161,028.60, 222,212.73 and 89,404.35 is: 123,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,028.60 : 222,212.73 = 89,404.35 : x
  2. Step 2: Convert to fraction form
    161,028.60/222,212.73 = 89,404.35/x
  3. Step 3: Cross multiply
    161,028.60x = 222,212.73 × 89,404.35
  4. Step 4: Simplify right side
    161,028.60x = 19,866,784,687.38
  5. Step 5: Solve for x
    x = 19,866,784,687.38/161,028.60
  6. Step 6: Final answer
    x = 123,374.26

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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.