Home / 156,976.61-235,473.08-51,803.78

Finding the Fourth Proportional to 156,976.61, 235,473.08 and 51,803.78

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Solution

The fourth proportional to 156,976.61, 235,473.08 and 51,803.78 is: 77,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,976.61 : 235,473.08 = 51,803.78 : x
  2. Step 2: Convert to fraction form
    156,976.61/235,473.08 = 51,803.78/x
  3. Step 3: Cross multiply
    156,976.61x = 235,473.08 × 51,803.78
  4. Step 4: Simplify right side
    156,976.61x = 12,198,394,195.86
  5. Step 5: Solve for x
    x = 12,198,394,195.86/156,976.61
  6. Step 6: Final answer
    x = 77,708.36

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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.