Home / 222,218.64-306,646.56-126,729.36

Finding the Fourth Proportional to 222,218.64, 306,646.56 and 126,729.36

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Solution

The fourth proportional to 222,218.64, 306,646.56 and 126,729.36 is: 174,877.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,218.64 : 306,646.56 = 126,729.36 : x
  2. Step 2: Convert to fraction form
    222,218.64/306,646.56 = 126,729.36/x
  3. Step 3: Cross multiply
    222,218.64x = 306,646.56 × 126,729.36
  4. Step 4: Simplify right side
    222,218.64x = 38,861,122,295.00
  5. Step 5: Solve for x
    x = 38,861,122,295.00/222,218.64
  6. Step 6: Final answer
    x = 174,877.87

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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.