Home / 165,113.27-227,857.16-89,661.77

Finding the Fourth Proportional to 165,113.27, 227,857.16 and 89,661.77

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Solution

The fourth proportional to 165,113.27, 227,857.16 and 89,661.77 is: 123,733.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,113.27 : 227,857.16 = 89,661.77 : x
  2. Step 2: Convert to fraction form
    165,113.27/227,857.16 = 89,661.77/x
  3. Step 3: Cross multiply
    165,113.27x = 227,857.16 × 89,661.77
  4. Step 4: Simplify right side
    165,113.27x = 20,430,076,272.77
  5. Step 5: Solve for x
    x = 20,430,076,272.77/165,113.27
  6. Step 6: Final answer
    x = 123,733.70

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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.