Home / 217,564.76-326,440.70-117,796.25

Finding the Fourth Proportional to 217,564.76, 326,440.70 and 117,796.25

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Solution

The fourth proportional to 217,564.76, 326,440.70 and 117,796.25 is: 176,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,564.76 : 326,440.70 = 117,796.25 : x
  2. Step 2: Convert to fraction form
    217,564.76/326,440.70 = 117,796.25/x
  3. Step 3: Cross multiply
    217,564.76x = 326,440.70 × 117,796.25
  4. Step 4: Simplify right side
    217,564.76x = 38,453,490,307.38
  5. Step 5: Solve for x
    x = 38,453,490,307.38/217,564.76
  6. Step 6: Final answer
    x = 176,745.03

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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.