Home / 156,936.70-235,405.05-144,955.90

Finding the Fourth Proportional to 156,936.70, 235,405.05 and 144,955.90

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Solution

The fourth proportional to 156,936.70, 235,405.05 and 144,955.90 is: 217,433.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,936.70 : 235,405.05 = 144,955.90 : x
  2. Step 2: Convert to fraction form
    156,936.70/235,405.05 = 144,955.90/x
  3. Step 3: Cross multiply
    156,936.70x = 235,405.05 × 144,955.90
  4. Step 4: Simplify right side
    156,936.70x = 34,123,350,887.30
  5. Step 5: Solve for x
    x = 34,123,350,887.30/156,936.70
  6. Step 6: Final answer
    x = 217,433.85

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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.