Home / 127,826.65-191,792.63-52,961.86

Finding the Fourth Proportional to 127,826.65, 191,792.63 and 52,961.86

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Solution

The fourth proportional to 127,826.65, 191,792.63 and 52,961.86 is: 79,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,826.65 : 191,792.63 = 52,961.86 : x
  2. Step 2: Convert to fraction form
    127,826.65/191,792.63 = 52,961.86/x
  3. Step 3: Cross multiply
    127,826.65x = 191,792.63 × 52,961.86
  4. Step 4: Simplify right side
    127,826.65x = 10,157,694,419.09
  5. Step 5: Solve for x
    x = 10,157,694,419.09/127,826.65
  6. Step 6: Final answer
    x = 79,464.61

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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.