Home / 232,149.76-320,433.09-136,711.81

Finding the Fourth Proportional to 232,149.76, 320,433.09 and 136,711.81

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Solution

The fourth proportional to 232,149.76, 320,433.09 and 136,711.81 is: 188,701.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,149.76 : 320,433.09 = 136,711.81 : x
  2. Step 2: Convert to fraction form
    232,149.76/320,433.09 = 136,711.81/x
  3. Step 3: Cross multiply
    232,149.76x = 320,433.09 × 136,711.81
  4. Step 4: Simplify right side
    232,149.76x = 43,806,987,717.79
  5. Step 5: Solve for x
    x = 43,806,987,717.79/232,149.76
  6. Step 6: Final answer
    x = 188,701.41

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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.