Home / 156,098.70-234,147.71-120,611.58

Finding the Fourth Proportional to 156,098.70, 234,147.71 and 120,611.58

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Solution

The fourth proportional to 156,098.70, 234,147.71 and 120,611.58 is: 180,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,098.70 : 234,147.71 = 120,611.58 : x
  2. Step 2: Convert to fraction form
    156,098.70/234,147.71 = 120,611.58/x
  3. Step 3: Cross multiply
    156,098.70x = 234,147.71 × 120,611.58
  4. Step 4: Simplify right side
    156,098.70x = 28,240,924,653.42
  5. Step 5: Solve for x
    x = 28,240,924,653.42/156,098.70
  6. Step 6: Final answer
    x = 180,917.10

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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.