Home / 460,811.48-691,151.60-145,227.38

Finding the Fourth Proportional to 460,811.48, 691,151.60 and 145,227.38

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Solution

The fourth proportional to 460,811.48, 691,151.60 and 145,227.38 is: 217,820.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,811.48 : 691,151.60 = 145,227.38 : x
  2. Step 2: Convert to fraction form
    460,811.48/691,151.60 = 145,227.38/x
  3. Step 3: Cross multiply
    460,811.48x = 691,151.60 × 145,227.38
  4. Step 4: Simplify right side
    460,811.48x = 100,374,132,958.12
  5. Step 5: Solve for x
    x = 100,374,132,958.12/460,811.48
  6. Step 6: Final answer
    x = 217,820.39

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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.