Home / 165,737.77-228,718.08-90,286.27

Finding the Fourth Proportional to 165,737.77, 228,718.08 and 90,286.27

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Solution

The fourth proportional to 165,737.77, 228,718.08 and 90,286.27 is: 124,595.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,737.77 : 228,718.08 = 90,286.27 : x
  2. Step 2: Convert to fraction form
    165,737.77/228,718.08 = 90,286.27/x
  3. Step 3: Cross multiply
    165,737.77x = 228,718.08 × 90,286.27
  4. Step 4: Simplify right side
    165,737.77x = 20,650,101,752.97
  5. Step 5: Solve for x
    x = 20,650,101,752.97/165,737.77
  6. Step 6: Final answer
    x = 124,595.03

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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.