Home / 165,455.74-228,331.20-90,004.24

Finding the Fourth Proportional to 165,455.74, 228,331.20 and 90,004.24

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Solution

The fourth proportional to 165,455.74, 228,331.20 and 90,004.24 is: 124,207.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,455.74 : 228,331.20 = 90,004.24 : x
  2. Step 2: Convert to fraction form
    165,455.74/228,331.20 = 90,004.24/x
  3. Step 3: Cross multiply
    165,455.74x = 228,331.20 × 90,004.24
  4. Step 4: Simplify right side
    165,455.74x = 20,550,776,124.29
  5. Step 5: Solve for x
    x = 20,550,776,124.29/165,455.74
  6. Step 6: Final answer
    x = 124,207.09

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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.