Home / 136,310.57-204,474.03-42,816.32

Finding the Fourth Proportional to 136,310.57, 204,474.03 and 42,816.32

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Solution

The fourth proportional to 136,310.57, 204,474.03 and 42,816.32 is: 64,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,310.57 : 204,474.03 = 42,816.32 : x
  2. Step 2: Convert to fraction form
    136,310.57/204,474.03 = 42,816.32/x
  3. Step 3: Cross multiply
    136,310.57x = 204,474.03 × 42,816.32
  4. Step 4: Simplify right side
    136,310.57x = 8,754,825,500.17
  5. Step 5: Solve for x
    x = 8,754,825,500.17/136,310.57
  6. Step 6: Final answer
    x = 64,227.05

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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.