Home / 232,749.52-321,230.82-137,266.72

Finding the Fourth Proportional to 232,749.52, 321,230.82 and 137,266.72

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Solution

The fourth proportional to 232,749.52, 321,230.82 and 137,266.72 is: 189,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,749.52 : 321,230.82 = 137,266.72 : x
  2. Step 2: Convert to fraction form
    232,749.52/321,230.82 = 137,266.72/x
  3. Step 3: Cross multiply
    232,749.52x = 321,230.82 × 137,266.72
  4. Step 4: Simplify right side
    232,749.52x = 44,094,301,024.31
  5. Step 5: Solve for x
    x = 44,094,301,024.31/232,749.52
  6. Step 6: Final answer
    x = 189,449.59

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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.