Home / 156,107.32-234,118.44-43,780.56

Finding the Fourth Proportional to 156,107.32, 234,118.44 and 43,780.56

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Solution

The fourth proportional to 156,107.32, 234,118.44 and 43,780.56 is: 65,658.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,107.32 : 234,118.44 = 43,780.56 : x
  2. Step 2: Convert to fraction form
    156,107.32/234,118.44 = 43,780.56/x
  3. Step 3: Cross multiply
    156,107.32x = 234,118.44 × 43,780.56
  4. Step 4: Simplify right side
    156,107.32x = 10,249,836,409.53
  5. Step 5: Solve for x
    x = 10,249,836,409.53/156,107.32
  6. Step 6: Final answer
    x = 65,658.91

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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.