Home / 165,112.77-227,856.47-89,661.27

Finding the Fourth Proportional to 165,112.77, 227,856.47 and 89,661.27

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Solution

The fourth proportional to 165,112.77, 227,856.47 and 89,661.27 is: 123,733.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,112.77 : 227,856.47 = 89,661.27 : x
  2. Step 2: Convert to fraction form
    165,112.77/227,856.47 = 89,661.27/x
  3. Step 3: Cross multiply
    165,112.77x = 227,856.47 × 89,661.27
  4. Step 4: Simplify right side
    165,112.77x = 20,429,900,029.61
  5. Step 5: Solve for x
    x = 20,429,900,029.61/165,112.77
  6. Step 6: Final answer
    x = 123,733.01

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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.