Home / 145,596.82-200,923.19-81,934.61

Finding the Fourth Proportional to 145,596.82, 200,923.19 and 81,934.61

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Solution

The fourth proportional to 145,596.82, 200,923.19 and 81,934.61 is: 113,069.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,596.82 : 200,923.19 = 81,934.61 : x
  2. Step 2: Convert to fraction form
    145,596.82/200,923.19 = 81,934.61/x
  3. Step 3: Cross multiply
    145,596.82x = 200,923.19 × 81,934.61
  4. Step 4: Simplify right side
    145,596.82x = 16,462,563,212.61
  5. Step 5: Solve for x
    x = 16,462,563,212.61/145,596.82
  6. Step 6: Final answer
    x = 113,069.52

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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.