Home / 505,902.16-758,835.09-126,826.02

Finding the Fourth Proportional to 505,902.16, 758,835.09 and 126,826.02

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Solution

The fourth proportional to 505,902.16, 758,835.09 and 126,826.02 is: 190,234.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,902.16 : 758,835.09 = 126,826.02 : x
  2. Step 2: Convert to fraction form
    505,902.16/758,835.09 = 126,826.02/x
  3. Step 3: Cross multiply
    505,902.16x = 758,835.09 × 126,826.02
  4. Step 4: Simplify right side
    505,902.16x = 96,240,034,301.04
  5. Step 5: Solve for x
    x = 96,240,034,301.04/505,902.16
  6. Step 6: Final answer
    x = 190,234.48

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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.