Home / 161,649.29-223,093.46-89,059.60

Finding the Fourth Proportional to 161,649.29, 223,093.46 and 89,059.60

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Solution

The fourth proportional to 161,649.29, 223,093.46 and 89,059.60 is: 122,911.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,649.29 : 223,093.46 = 89,059.60 : x
  2. Step 2: Convert to fraction form
    161,649.29/223,093.46 = 89,059.60/x
  3. Step 3: Cross multiply
    161,649.29x = 223,093.46 × 89,059.60
  4. Step 4: Simplify right side
    161,649.29x = 19,868,614,654.56
  5. Step 5: Solve for x
    x = 19,868,614,654.56/161,649.29
  6. Step 6: Final answer
    x = 122,911.86

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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.