Home / 156,784.66-235,177-51,633.70

Finding the Fourth Proportional to 156,784.66, 235,177 and 51,633.70

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Solution

The fourth proportional to 156,784.66, 235,177 and 51,633.70 is: 77,450.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,784.66 : 235,177 = 51,633.70 : x
  2. Step 2: Convert to fraction form
    156,784.66/235,177 = 51,633.70/x
  3. Step 3: Cross multiply
    156,784.66x = 235,177 × 51,633.70
  4. Step 4: Simplify right side
    156,784.66x = 12,143,058,664.90
  5. Step 5: Solve for x
    x = 12,143,058,664.90/156,784.66
  6. Step 6: Final answer
    x = 77,450.55

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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.