Home / 156,940.65-235,151.77-133,612.65

Finding the Fourth Proportional to 156,940.65, 235,151.77 and 133,612.65

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Solution

The fourth proportional to 156,940.65, 235,151.77 and 133,612.65 is: 200,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.65 : 235,151.77 = 133,612.65 : x
  2. Step 2: Convert to fraction form
    156,940.65/235,151.77 = 133,612.65/x
  3. Step 3: Cross multiply
    156,940.65x = 235,151.77 × 133,612.65
  4. Step 4: Simplify right side
    156,940.65x = 31,419,251,141.89
  5. Step 5: Solve for x
    x = 31,419,251,141.89/156,940.65
  6. Step 6: Final answer
    x = 200,198.30

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1.5x scale

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.