Home / 205,233.08-283,146.86-120,333.74

Finding the Fourth Proportional to 205,233.08, 283,146.86 and 120,333.74

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Solution

The fourth proportional to 205,233.08, 283,146.86 and 120,333.74 is: 166,016.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,233.08 : 283,146.86 = 120,333.74 : x
  2. Step 2: Convert to fraction form
    205,233.08/283,146.86 = 120,333.74/x
  3. Step 3: Cross multiply
    205,233.08x = 283,146.86 × 120,333.74
  4. Step 4: Simplify right side
    205,233.08x = 34,072,120,031.39
  5. Step 5: Solve for x
    x = 34,072,120,031.39/205,233.08
  6. Step 6: Final answer
    x = 166,016.71

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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.