Home / 217,505.19-326,195.15-59,738.79

Finding the Fourth Proportional to 217,505.19, 326,195.15 and 59,738.79

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Solution

The fourth proportional to 217,505.19, 326,195.15 and 59,738.79 is: 89,590.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,505.19 : 326,195.15 = 59,738.79 : x
  2. Step 2: Convert to fraction form
    217,505.19/326,195.15 = 59,738.79/x
  3. Step 3: Cross multiply
    217,505.19x = 326,195.15 × 59,738.79
  4. Step 4: Simplify right side
    217,505.19x = 19,486,503,266.17
  5. Step 5: Solve for x
    x = 19,486,503,266.17/217,505.19
  6. Step 6: Final answer
    x = 89,590.98

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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.