Home / 134,436.24-201,620.88-40,940.64

Finding the Fourth Proportional to 134,436.24, 201,620.88 and 40,940.64

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Solution

The fourth proportional to 134,436.24, 201,620.88 and 40,940.64 is: 61,400.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,436.24 : 201,620.88 = 40,940.64 : x
  2. Step 2: Convert to fraction form
    134,436.24/201,620.88 = 40,940.64/x
  3. Step 3: Cross multiply
    134,436.24x = 201,620.88 × 40,940.64
  4. Step 4: Simplify right side
    134,436.24x = 8,254,487,864.56
  5. Step 5: Solve for x
    x = 8,254,487,864.56/134,436.24
  6. Step 6: Final answer
    x = 61,400.76

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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.