Home / 217,189.02-326,141.82-146,565.39

Finding the Fourth Proportional to 217,189.02, 326,141.82 and 146,565.39

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Solution

The fourth proportional to 217,189.02, 326,141.82 and 146,565.39 is: 220,089.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,189.02 : 326,141.82 = 146,565.39 : x
  2. Step 2: Convert to fraction form
    217,189.02/326,141.82 = 146,565.39/x
  3. Step 3: Cross multiply
    217,189.02x = 326,141.82 × 146,565.39
  4. Step 4: Simplify right side
    217,189.02x = 47,801,103,043.61
  5. Step 5: Solve for x
    x = 47,801,103,043.61/217,189.02
  6. Step 6: Final answer
    x = 220,089.87

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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.