Home / 222,729.69-307,372.86-125,925.78

Finding the Fourth Proportional to 222,729.69, 307,372.86 and 125,925.78

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Solution

The fourth proportional to 222,729.69, 307,372.86 and 125,925.78 is: 173,780.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,729.69 : 307,372.86 = 125,925.78 : x
  2. Step 2: Convert to fraction form
    222,729.69/307,372.86 = 125,925.78/x
  3. Step 3: Cross multiply
    222,729.69x = 307,372.86 × 125,925.78
  4. Step 4: Simplify right side
    222,729.69x = 38,706,167,146.33
  5. Step 5: Solve for x
    x = 38,706,167,146.33/222,729.69
  6. Step 6: Final answer
    x = 173,780.91

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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.