Home / 165,233.76-228,022.12-89,782.24

Finding the Fourth Proportional to 165,233.76, 228,022.12 and 89,782.24

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Solution

The fourth proportional to 165,233.76, 228,022.12 and 89,782.24 is: 123,899.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,233.76 : 228,022.12 = 89,782.24 : x
  2. Step 2: Convert to fraction form
    165,233.76/228,022.12 = 89,782.24/x
  3. Step 3: Cross multiply
    165,233.76x = 228,022.12 × 89,782.24
  4. Step 4: Simplify right side
    165,233.76x = 20,472,336,703.15
  5. Step 5: Solve for x
    x = 20,472,336,703.15/165,233.76
  6. Step 6: Final answer
    x = 123,899.24

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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.