Home / 156,939.65-235,150.27-133,611.65

Finding the Fourth Proportional to 156,939.65, 235,150.27 and 133,611.65

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Solution

The fourth proportional to 156,939.65, 235,150.27 and 133,611.65 is: 200,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,939.65 : 235,150.27 = 133,611.65 : x
  2. Step 2: Convert to fraction form
    156,939.65/235,150.27 = 133,611.65/x
  3. Step 3: Cross multiply
    156,939.65x = 235,150.27 × 133,611.65
  4. Step 4: Simplify right side
    156,939.65x = 31,418,815,572.65
  5. Step 5: Solve for x
    x = 31,418,815,572.65/156,939.65
  6. Step 6: Final answer
    x = 200,196.80

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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.