Home / 156,932.65-235,139.77-133,604.65

Finding the Fourth Proportional to 156,932.65, 235,139.77 and 133,604.65

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Solution

The fourth proportional to 156,932.65, 235,139.77 and 133,604.65 is: 200,186.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,932.65 : 235,139.77 = 133,604.65 : x
  2. Step 2: Convert to fraction form
    156,932.65/235,139.77 = 133,604.65/x
  3. Step 3: Cross multiply
    156,932.65x = 235,139.77 × 133,604.65
  4. Step 4: Simplify right side
    156,932.65x = 31,415,766,671.93
  5. Step 5: Solve for x
    x = 31,415,766,671.93/156,932.65
  6. Step 6: Final answer
    x = 200,186.30

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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.