Home / 145,518.33-200,753.19-83,395.92

Finding the Fourth Proportional to 145,518.33, 200,753.19 and 83,395.92

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Solution

The fourth proportional to 145,518.33, 200,753.19 and 83,395.92 is: 115,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,518.33 : 200,753.19 = 83,395.92 : x
  2. Step 2: Convert to fraction form
    145,518.33/200,753.19 = 83,395.92/x
  3. Step 3: Cross multiply
    145,518.33x = 200,753.19 × 83,395.92
  4. Step 4: Simplify right side
    145,518.33x = 16,741,996,972.98
  5. Step 5: Solve for x
    x = 16,741,996,972.98/145,518.33
  6. Step 6: Final answer
    x = 115,050.78

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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.