Home / 217,493.19-326,045.67-157,372.56

Finding the Fourth Proportional to 217,493.19, 326,045.67 and 157,372.56

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Solution

The fourth proportional to 217,493.19, 326,045.67 and 157,372.56 is: 235,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,493.19 : 326,045.67 = 157,372.56 : x
  2. Step 2: Convert to fraction form
    217,493.19/326,045.67 = 157,372.56/x
  3. Step 3: Cross multiply
    217,493.19x = 326,045.67 × 157,372.56
  4. Step 4: Simplify right side
    217,493.19x = 51,310,641,764.82
  5. Step 5: Solve for x
    x = 51,310,641,764.82/217,493.19
  6. Step 6: Final answer
    x = 235,918.38

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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.