Home / 137,922.04-206,879.23-36,720.96

Finding the Fourth Proportional to 137,922.04, 206,879.23 and 36,720.96

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Solution

The fourth proportional to 137,922.04, 206,879.23 and 36,720.96 is: 55,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,922.04 : 206,879.23 = 36,720.96 : x
  2. Step 2: Convert to fraction form
    137,922.04/206,879.23 = 36,720.96/x
  3. Step 3: Cross multiply
    137,922.04x = 206,879.23 × 36,720.96
  4. Step 4: Simplify right side
    137,922.04x = 7,596,803,228.86
  5. Step 5: Solve for x
    x = 7,596,803,228.86/137,922.04
  6. Step 6: Final answer
    x = 55,080.42

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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.