Home / 222,156.20-306,567.96-126,693.64

Finding the Fourth Proportional to 222,156.20, 306,567.96 and 126,693.64

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Solution

The fourth proportional to 222,156.20, 306,567.96 and 126,693.64 is: 174,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,156.20 : 306,567.96 = 126,693.64 : x
  2. Step 2: Convert to fraction form
    222,156.20/306,567.96 = 126,693.64/x
  3. Step 3: Cross multiply
    222,156.20x = 306,567.96 × 126,693.64
  4. Step 4: Simplify right side
    222,156.20x = 38,840,210,759.77
  5. Step 5: Solve for x
    x = 38,840,210,759.77/222,156.20
  6. Step 6: Final answer
    x = 174,832.89

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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.