Home / 217,123.90-325,204.64-166,833.82

Finding the Fourth Proportional to 217,123.90, 325,204.64 and 166,833.82

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Solution

The fourth proportional to 217,123.90, 325,204.64 and 166,833.82 is: 249,880.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,123.90 : 325,204.64 = 166,833.82 : x
  2. Step 2: Convert to fraction form
    217,123.90/325,204.64 = 166,833.82/x
  3. Step 3: Cross multiply
    217,123.90x = 325,204.64 × 166,833.82
  4. Step 4: Simplify right side
    217,123.90x = 54,255,132,372.92
  5. Step 5: Solve for x
    x = 54,255,132,372.92/217,123.90
  6. Step 6: Final answer
    x = 249,880.98

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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.