Home / 134,336.20-201,455.70-54,340.60

Finding the Fourth Proportional to 134,336.20, 201,455.70 and 54,340.60

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Solution

The fourth proportional to 134,336.20, 201,455.70 and 54,340.60 is: 81,491.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,336.20 : 201,455.70 = 54,340.60 : x
  2. Step 2: Convert to fraction form
    134,336.20/201,455.70 = 54,340.60/x
  3. Step 3: Cross multiply
    134,336.20x = 201,455.70 × 54,340.60
  4. Step 4: Simplify right side
    134,336.20x = 10,947,223,611.42
  5. Step 5: Solve for x
    x = 10,947,223,611.42/134,336.20
  6. Step 6: Final answer
    x = 81,491.24

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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.