Home / 460,748.51-691,434.15-161,231.68

Finding the Fourth Proportional to 460,748.51, 691,434.15 and 161,231.68

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Solution

The fourth proportional to 460,748.51, 691,434.15 and 161,231.68 is: 241,956.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,748.51 : 691,434.15 = 161,231.68 : x
  2. Step 2: Convert to fraction form
    460,748.51/691,434.15 = 161,231.68/x
  3. Step 3: Cross multiply
    460,748.51x = 691,434.15 × 161,231.68
  4. Step 4: Simplify right side
    460,748.51x = 111,481,089,613.87
  5. Step 5: Solve for x
    x = 111,481,089,613.87/460,748.51
  6. Step 6: Final answer
    x = 241,956.48

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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.