Home / 156,342.42-234,513.72-38,013.84

Finding the Fourth Proportional to 156,342.42, 234,513.72 and 38,013.84

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Solution

The fourth proportional to 156,342.42, 234,513.72 and 38,013.84 is: 57,020.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,342.42 : 234,513.72 = 38,013.84 : x
  2. Step 2: Convert to fraction form
    156,342.42/234,513.72 = 38,013.84/x
  3. Step 3: Cross multiply
    156,342.42x = 234,513.72 × 38,013.84
  4. Step 4: Simplify right side
    156,342.42x = 8,914,767,029.88
  5. Step 5: Solve for x
    x = 8,914,767,029.88/156,342.42
  6. Step 6: Final answer
    x = 57,020.78

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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.