Home / 156,934.70-235,056.45-136,198.70

Finding the Fourth Proportional to 156,934.70, 235,056.45 and 136,198.70

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Solution

The fourth proportional to 156,934.70, 235,056.45 and 136,198.70 is: 203,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,934.70 : 235,056.45 = 136,198.70 : x
  2. Step 2: Convert to fraction form
    156,934.70/235,056.45 = 136,198.70/x
  3. Step 3: Cross multiply
    156,934.70x = 235,056.45 × 136,198.70
  4. Step 4: Simplify right side
    156,934.70x = 32,014,382,916.62
  5. Step 5: Solve for x
    x = 32,014,382,916.62/156,934.70
  6. Step 6: Final answer
    x = 203,998.11

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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.