Home / 222,441.36-306,998.64-126,926.16

Finding the Fourth Proportional to 222,441.36, 306,998.64 and 126,926.16

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Solution

The fourth proportional to 222,441.36, 306,998.64 and 126,926.16 is: 175,174.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,441.36 : 306,998.64 = 126,926.16 : x
  2. Step 2: Convert to fraction form
    222,441.36/306,998.64 = 126,926.16/x
  3. Step 3: Cross multiply
    222,441.36x = 306,998.64 × 126,926.16
  4. Step 4: Simplify right side
    222,441.36x = 38,966,158,500.42
  5. Step 5: Solve for x
    x = 38,966,158,500.42/222,441.36
  6. Step 6: Final answer
    x = 175,174.97

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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.