Home / 148,321.04-204,681.78-80,336.46

Finding the Fourth Proportional to 148,321.04, 204,681.78 and 80,336.46

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Solution

The fourth proportional to 148,321.04, 204,681.78 and 80,336.46 is: 110,863.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,321.04 : 204,681.78 = 80,336.46 : x
  2. Step 2: Convert to fraction form
    148,321.04/204,681.78 = 80,336.46/x
  3. Step 3: Cross multiply
    148,321.04x = 204,681.78 × 80,336.46
  4. Step 4: Simplify right side
    148,321.04x = 16,443,409,631.70
  5. Step 5: Solve for x
    x = 16,443,409,631.70/148,321.04
  6. Step 6: Final answer
    x = 110,863.63

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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.