Home / 223,108.27-307,887.70-121,131.73

Finding the Fourth Proportional to 223,108.27, 307,887.70 and 121,131.73

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Solution

The fourth proportional to 223,108.27, 307,887.70 and 121,131.73 is: 167,160.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,108.27 : 307,887.70 = 121,131.73 : x
  2. Step 2: Convert to fraction form
    223,108.27/307,887.70 = 121,131.73/x
  3. Step 3: Cross multiply
    223,108.27x = 307,887.70 × 121,131.73
  4. Step 4: Simplify right side
    223,108.27x = 37,294,969,746.72
  5. Step 5: Solve for x
    x = 37,294,969,746.72/223,108.27
  6. Step 6: Final answer
    x = 167,160.86

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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.