Home / 156,976.78-235,406.85-51,767.50

Finding the Fourth Proportional to 156,976.78, 235,406.85 and 51,767.50

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Solution

The fourth proportional to 156,976.78, 235,406.85 and 51,767.50 is: 77,632.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,976.78 : 235,406.85 = 51,767.50 : x
  2. Step 2: Convert to fraction form
    156,976.78/235,406.85 = 51,767.50/x
  3. Step 3: Cross multiply
    156,976.78x = 235,406.85 × 51,767.50
  4. Step 4: Simplify right side
    156,976.78x = 12,186,424,107.38
  5. Step 5: Solve for x
    x = 12,186,424,107.38/156,976.78
  6. Step 6: Final answer
    x = 77,632.02

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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.