Home / 211,463.76-291,777.60-120,849.48

Finding the Fourth Proportional to 211,463.76, 291,777.60 and 120,849.48

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Solution

The fourth proportional to 211,463.76, 291,777.60 and 120,849.48 is: 166,748.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,463.76 : 291,777.60 = 120,849.48 : x
  2. Step 2: Convert to fraction form
    211,463.76/291,777.60 = 120,849.48/x
  3. Step 3: Cross multiply
    211,463.76x = 291,777.60 × 120,849.48
  4. Step 4: Simplify right side
    211,463.76x = 35,261,171,235.65
  5. Step 5: Solve for x
    x = 35,261,171,235.65/211,463.76
  6. Step 6: Final answer
    x = 166,748.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.