Home / 103,198.16-142,414.89-62,356.61

Finding the Fourth Proportional to 103,198.16, 142,414.89 and 62,356.61

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Solution

The fourth proportional to 103,198.16, 142,414.89 and 62,356.61 is: 86,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,198.16 : 142,414.89 = 62,356.61 : x
  2. Step 2: Convert to fraction form
    103,198.16/142,414.89 = 62,356.61/x
  3. Step 3: Cross multiply
    103,198.16x = 142,414.89 × 62,356.61
  4. Step 4: Simplify right side
    103,198.16x = 8,880,509,041.85
  5. Step 5: Solve for x
    x = 8,880,509,041.85/103,198.16
  6. Step 6: Final answer
    x = 86,052.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.