Home / 217,328.83-299,842.89-126,664.06

Finding the Fourth Proportional to 217,328.83, 299,842.89 and 126,664.06

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Solution

The fourth proportional to 217,328.83, 299,842.89 and 126,664.06 is: 174,755.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,328.83 : 299,842.89 = 126,664.06 : x
  2. Step 2: Convert to fraction form
    217,328.83/299,842.89 = 126,664.06/x
  3. Step 3: Cross multiply
    217,328.83x = 299,842.89 × 126,664.06
  4. Step 4: Simplify right side
    217,328.83x = 37,979,317,809.53
  5. Step 5: Solve for x
    x = 37,979,317,809.53/217,328.83
  6. Step 6: Final answer
    x = 174,755.08

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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.