Home / 136,583.46-204,903.81-47,839.86

Finding the Fourth Proportional to 136,583.46, 204,903.81 and 47,839.86

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Solution

The fourth proportional to 136,583.46, 204,903.81 and 47,839.86 is: 71,769.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,583.46 : 204,903.81 = 47,839.86 : x
  2. Step 2: Convert to fraction form
    136,583.46/204,903.81 = 47,839.86/x
  3. Step 3: Cross multiply
    136,583.46x = 204,903.81 × 47,839.86
  4. Step 4: Simplify right side
    136,583.46x = 9,802,569,583.87
  5. Step 5: Solve for x
    x = 9,802,569,583.87/136,583.46
  6. Step 6: Final answer
    x = 71,769.81

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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.