Home / 161,284.72-222,562.53-89,662.90

Finding the Fourth Proportional to 161,284.72, 222,562.53 and 89,662.90

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Solution

The fourth proportional to 161,284.72, 222,562.53 and 89,662.90 is: 123,729.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,284.72 : 222,562.53 = 89,662.90 : x
  2. Step 2: Convert to fraction form
    161,284.72/222,562.53 = 89,662.90/x
  3. Step 3: Cross multiply
    161,284.72x = 222,562.53 × 89,662.90
  4. Step 4: Simplify right side
    161,284.72x = 19,955,601,871.14
  5. Step 5: Solve for x
    x = 19,955,601,871.14/161,284.72
  6. Step 6: Final answer
    x = 123,729.03

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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.