Home / 217,427.76-326,219.33-132,212.00

Finding the Fourth Proportional to 217,427.76, 326,219.33 and 132,212.00

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Solution

The fourth proportional to 217,427.76, 326,219.33 and 132,212.00 is: 198,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,427.76 : 326,219.33 = 132,212.00 : x
  2. Step 2: Convert to fraction form
    217,427.76/326,219.33 = 132,212.00/x
  3. Step 3: Cross multiply
    217,427.76x = 326,219.33 × 132,212.00
  4. Step 4: Simplify right side
    217,427.76x = 43,130,109,369.05
  5. Step 5: Solve for x
    x = 43,130,109,369.05/217,427.76
  6. Step 6: Final answer
    x = 198,365.24

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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.