Home / 347,177.48-520,739.22-136,817.24

Finding the Fourth Proportional to 347,177.48, 520,739.22 and 136,817.24

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Solution

The fourth proportional to 347,177.48, 520,739.22 and 136,817.24 is: 205,215.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,177.48 : 520,739.22 = 136,817.24 : x
  2. Step 2: Convert to fraction form
    347,177.48/520,739.22 = 136,817.24/x
  3. Step 3: Cross multiply
    347,177.48x = 520,739.22 × 136,817.24
  4. Step 4: Simplify right side
    347,177.48x = 71,246,102,840.15
  5. Step 5: Solve for x
    x = 71,246,102,840.15/347,177.48
  6. Step 6: Final answer
    x = 205,215.22

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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.