Home / 165,091.14-227,825.76-89,639.64

Finding the Fourth Proportional to 165,091.14, 227,825.76 and 89,639.64

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Solution

The fourth proportional to 165,091.14, 227,825.76 and 89,639.64 is: 123,702.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,091.14 : 227,825.76 = 89,639.64 : x
  2. Step 2: Convert to fraction form
    165,091.14/227,825.76 = 89,639.64/x
  3. Step 3: Cross multiply
    165,091.14x = 227,825.76 × 89,639.64
  4. Step 4: Simplify right side
    165,091.14x = 20,422,219,109.13
  5. Step 5: Solve for x
    x = 20,422,219,109.13/165,091.14
  6. Step 6: Final answer
    x = 123,702.70

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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.