Home / 222,412.23-306,926.01-126,920.52

Finding the Fourth Proportional to 222,412.23, 306,926.01 and 126,920.52

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Solution

The fourth proportional to 222,412.23, 306,926.01 and 126,920.52 is: 175,148.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,412.23 : 306,926.01 = 126,920.52 : x
  2. Step 2: Convert to fraction form
    222,412.23/306,926.01 = 126,920.52/x
  3. Step 3: Cross multiply
    222,412.23x = 306,926.01 × 126,920.52
  4. Step 4: Simplify right side
    222,412.23x = 38,955,208,790.73
  5. Step 5: Solve for x
    x = 38,955,208,790.73/222,412.23
  6. Step 6: Final answer
    x = 175,148.68

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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.