Home / 165,793.43-228,794.89-90,341.93

Finding the Fourth Proportional to 165,793.43, 228,794.89 and 90,341.93

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Solution

The fourth proportional to 165,793.43, 228,794.89 and 90,341.93 is: 124,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,793.43 : 228,794.89 = 90,341.93 : x
  2. Step 2: Convert to fraction form
    165,793.43/228,794.89 = 90,341.93/x
  3. Step 3: Cross multiply
    165,793.43x = 228,794.89 × 90,341.93
  4. Step 4: Simplify right side
    165,793.43x = 20,669,771,424.89
  5. Step 5: Solve for x
    x = 20,669,771,424.89/165,793.43
  6. Step 6: Final answer
    x = 124,671.84

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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.