Home / 217,783.35-326,520.59-84,551.31

Finding the Fourth Proportional to 217,783.35, 326,520.59 and 84,551.31

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Solution

The fourth proportional to 217,783.35, 326,520.59 and 84,551.31 is: 126,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,783.35 : 326,520.59 = 84,551.31 : x
  2. Step 2: Convert to fraction form
    217,783.35/326,520.59 = 84,551.31/x
  3. Step 3: Cross multiply
    217,783.35x = 326,520.59 × 84,551.31
  4. Step 4: Simplify right side
    217,783.35x = 27,607,743,203.72
  5. Step 5: Solve for x
    x = 27,607,743,203.72/217,783.35
  6. Step 6: Final answer
    x = 126,767.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.