Home / 137,821.46-206,455.38-62,838.45

Finding the Fourth Proportional to 137,821.46, 206,455.38 and 62,838.45

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Solution

The fourth proportional to 137,821.46, 206,455.38 and 62,838.45 is: 94,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,821.46 : 206,455.38 = 62,838.45 : x
  2. Step 2: Convert to fraction form
    137,821.46/206,455.38 = 62,838.45/x
  3. Step 3: Cross multiply
    137,821.46x = 206,455.38 × 62,838.45
  4. Step 4: Simplify right side
    137,821.46x = 12,973,336,073.36
  5. Step 5: Solve for x
    x = 12,973,336,073.36/137,821.46
  6. Step 6: Final answer
    x = 94,131.47

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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.