Home / 453,494.80-680,314.20-154,003.60

Finding the Fourth Proportional to 453,494.80, 680,314.20 and 154,003.60

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Solution

The fourth proportional to 453,494.80, 680,314.20 and 154,003.60 is: 231,029.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,494.80 : 680,314.20 = 154,003.60 : x
  2. Step 2: Convert to fraction form
    453,494.80/680,314.20 = 154,003.60/x
  3. Step 3: Cross multiply
    453,494.80x = 680,314.20 × 154,003.60
  4. Step 4: Simplify right side
    453,494.80x = 104,770,835,931.12
  5. Step 5: Solve for x
    x = 104,770,835,931.12/453,494.80
  6. Step 6: Final answer
    x = 231,029.85

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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.