Home / 217,784.35-326,522.08-84,552.31

Finding the Fourth Proportional to 217,784.35, 326,522.08 and 84,552.31

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Solution

The fourth proportional to 217,784.35, 326,522.08 and 84,552.31 is: 126,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,784.35 : 326,522.08 = 84,552.31 : x
  2. Step 2: Convert to fraction form
    217,784.35/326,522.08 = 84,552.31/x
  3. Step 3: Cross multiply
    217,784.35x = 326,522.08 × 84,552.31
  4. Step 4: Simplify right side
    217,784.35x = 27,608,196,130.00
  5. Step 5: Solve for x
    x = 27,608,196,130.00/217,784.35
  6. Step 6: Final answer
    x = 126,768.50

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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.