Home / 165,426.55-228,215.42-101,726.71

Finding the Fourth Proportional to 165,426.55, 228,215.42 and 101,726.71

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Solution

The fourth proportional to 165,426.55, 228,215.42 and 101,726.71 is: 140,337.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,426.55 : 228,215.42 = 101,726.71 : x
  2. Step 2: Convert to fraction form
    165,426.55/228,215.42 = 101,726.71/x
  3. Step 3: Cross multiply
    165,426.55x = 228,215.42 × 101,726.71
  4. Step 4: Simplify right side
    165,426.55x = 23,215,603,847.87
  5. Step 5: Solve for x
    x = 23,215,603,847.87/165,426.55
  6. Step 6: Final answer
    x = 140,337.83

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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.