Home / 217,537.83-326,293.56-129,352.50

Finding the Fourth Proportional to 217,537.83, 326,293.56 and 129,352.50

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Solution

The fourth proportional to 217,537.83, 326,293.56 and 129,352.50 is: 194,020.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,537.83 : 326,293.56 = 129,352.50 : x
  2. Step 2: Convert to fraction form
    217,537.83/326,293.56 = 129,352.50/x
  3. Step 3: Cross multiply
    217,537.83x = 326,293.56 × 129,352.50
  4. Step 4: Simplify right side
    217,537.83x = 42,206,887,719.90
  5. Step 5: Solve for x
    x = 42,206,887,719.90/217,537.83
  6. Step 6: Final answer
    x = 194,020.91

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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.