Home / 222,076.81-306,466.50-126,581.05

Finding the Fourth Proportional to 222,076.81, 306,466.50 and 126,581.05

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Solution

The fourth proportional to 222,076.81, 306,466.50 and 126,581.05 is: 174,682.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,076.81 : 306,466.50 = 126,581.05 : x
  2. Step 2: Convert to fraction form
    222,076.81/306,466.50 = 126,581.05/x
  3. Step 3: Cross multiply
    222,076.81x = 306,466.50 × 126,581.05
  4. Step 4: Simplify right side
    222,076.81x = 38,792,851,359.83
  5. Step 5: Solve for x
    x = 38,792,851,359.83/222,076.81
  6. Step 6: Final answer
    x = 174,682.14

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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.