Home / 161,126.82-222,354.90-89,513.52

Finding the Fourth Proportional to 161,126.82, 222,354.90 and 89,513.52

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Solution

The fourth proportional to 161,126.82, 222,354.90 and 89,513.52 is: 123,528.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,126.82 : 222,354.90 = 89,513.52 : x
  2. Step 2: Convert to fraction form
    161,126.82/222,354.90 = 89,513.52/x
  3. Step 3: Cross multiply
    161,126.82x = 222,354.90 × 89,513.52
  4. Step 4: Simplify right side
    161,126.82x = 19,903,769,788.25
  5. Step 5: Solve for x
    x = 19,903,769,788.25/161,126.82
  6. Step 6: Final answer
    x = 123,528.60

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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.