Home / 156,160.98-234,215.10-43,815.42

Finding the Fourth Proportional to 156,160.98, 234,215.10 and 43,815.42

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Solution

The fourth proportional to 156,160.98, 234,215.10 and 43,815.42 is: 65,715.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,160.98 : 234,215.10 = 43,815.42 : x
  2. Step 2: Convert to fraction form
    156,160.98/234,215.10 = 43,815.42/x
  3. Step 3: Cross multiply
    156,160.98x = 234,215.10 × 43,815.42
  4. Step 4: Simplify right side
    156,160.98x = 10,262,232,976.84
  5. Step 5: Solve for x
    x = 10,262,232,976.84/156,160.98
  6. Step 6: Final answer
    x = 65,715.73

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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.