Home / 165,039.36-227,759.75-93,417.85

Finding the Fourth Proportional to 165,039.36, 227,759.75 and 93,417.85

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Solution

The fourth proportional to 165,039.36, 227,759.75 and 93,417.85 is: 128,919.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,039.36 : 227,759.75 = 93,417.85 : x
  2. Step 2: Convert to fraction form
    165,039.36/227,759.75 = 93,417.85/x
  3. Step 3: Cross multiply
    165,039.36x = 227,759.75 × 93,417.85
  4. Step 4: Simplify right side
    165,039.36x = 21,276,826,161.54
  5. Step 5: Solve for x
    x = 21,276,826,161.54/165,039.36
  6. Step 6: Final answer
    x = 128,919.71

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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.