Home / 161,060.31-222,273.51-89,440.33

Finding the Fourth Proportional to 161,060.31, 222,273.51 and 89,440.33

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Solution

The fourth proportional to 161,060.31, 222,273.51 and 89,440.33 is: 123,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,060.31 : 222,273.51 = 89,440.33 : x
  2. Step 2: Convert to fraction form
    161,060.31/222,273.51 = 89,440.33/x
  3. Step 3: Cross multiply
    161,060.31x = 222,273.51 × 89,440.33
  4. Step 4: Simplify right side
    161,060.31x = 19,880,214,526.09
  5. Step 5: Solve for x
    x = 19,880,214,526.09/161,060.31
  6. Step 6: Final answer
    x = 123,433.36

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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.