Home / 222,308.23-306,782.49-126,816.52

Finding the Fourth Proportional to 222,308.23, 306,782.49 and 126,816.52

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Solution

The fourth proportional to 222,308.23, 306,782.49 and 126,816.52 is: 175,005.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,308.23 : 306,782.49 = 126,816.52 : x
  2. Step 2: Convert to fraction form
    222,308.23/306,782.49 = 126,816.52/x
  3. Step 3: Cross multiply
    222,308.23x = 306,782.49 × 126,816.52
  4. Step 4: Simplify right side
    222,308.23x = 38,905,087,778.73
  5. Step 5: Solve for x
    x = 38,905,087,778.73/222,308.23
  6. Step 6: Final answer
    x = 175,005.16

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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.