Home / 137,654.83-206,438.50-93,564.91

Finding the Fourth Proportional to 137,654.83, 206,438.50 and 93,564.91

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Solution

The fourth proportional to 137,654.83, 206,438.50 and 93,564.91 is: 140,317.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,654.83 : 206,438.50 = 93,564.91 : x
  2. Step 2: Convert to fraction form
    137,654.83/206,438.50 = 93,564.91/x
  3. Step 3: Cross multiply
    137,654.83x = 206,438.50 × 93,564.91
  4. Step 4: Simplify right side
    137,654.83x = 19,315,399,039.98
  5. Step 5: Solve for x
    x = 19,315,399,039.98/137,654.83
  6. Step 6: Final answer
    x = 140,317.63

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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.