Home / 164,010.78-226,337.15-91,411.66

Finding the Fourth Proportional to 164,010.78, 226,337.15 and 91,411.66

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Solution

The fourth proportional to 164,010.78, 226,337.15 and 91,411.66 is: 126,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,010.78 : 226,337.15 = 91,411.66 : x
  2. Step 2: Convert to fraction form
    164,010.78/226,337.15 = 91,411.66/x
  3. Step 3: Cross multiply
    164,010.78x = 226,337.15 × 91,411.66
  4. Step 4: Simplify right side
    164,010.78x = 20,689,853,012.43
  5. Step 5: Solve for x
    x = 20,689,853,012.43/164,010.78
  6. Step 6: Final answer
    x = 126,149.35

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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.