Home / 136,084.20-204,158.70-57,157.80

Finding the Fourth Proportional to 136,084.20, 204,158.70 and 57,157.80

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Solution

The fourth proportional to 136,084.20, 204,158.70 and 57,157.80 is: 85,750.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,084.20 : 204,158.70 = 57,157.80 : x
  2. Step 2: Convert to fraction form
    136,084.20/204,158.70 = 57,157.80/x
  3. Step 3: Cross multiply
    136,084.20x = 204,158.70 × 57,157.80
  4. Step 4: Simplify right side
    136,084.20x = 11,669,262,142.86
  5. Step 5: Solve for x
    x = 11,669,262,142.86/136,084.20
  6. Step 6: Final answer
    x = 85,750.31

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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.