Home / 165,113.28-227,858.40-89,663.04

Finding the Fourth Proportional to 165,113.28, 227,858.40 and 89,663.04

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Solution

The fourth proportional to 165,113.28, 227,858.40 and 89,663.04 is: 123,736.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,113.28 : 227,858.40 = 89,663.04 : x
  2. Step 2: Convert to fraction form
    165,113.28/227,858.40 = 89,663.04/x
  3. Step 3: Cross multiply
    165,113.28x = 227,858.40 × 89,663.04
  4. Step 4: Simplify right side
    165,113.28x = 20,430,476,833.54
  5. Step 5: Solve for x
    x = 20,430,476,833.54/165,113.28
  6. Step 6: Final answer
    x = 123,736.12

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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.