Home / 137,785.86-206,506.26-58,807.62

Finding the Fourth Proportional to 137,785.86, 206,506.26 and 58,807.62

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Solution

The fourth proportional to 137,785.86, 206,506.26 and 58,807.62 is: 88,137.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,785.86 : 206,506.26 = 58,807.62 : x
  2. Step 2: Convert to fraction form
    137,785.86/206,506.26 = 58,807.62/x
  3. Step 3: Cross multiply
    137,785.86x = 206,506.26 × 58,807.62
  4. Step 4: Simplify right side
    137,785.86x = 12,144,141,665.70
  5. Step 5: Solve for x
    x = 12,144,141,665.70/137,785.86
  6. Step 6: Final answer
    x = 88,137.79

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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.