Home / 461,223.12-691,777.44-124,290.12

Finding the Fourth Proportional to 461,223.12, 691,777.44 and 124,290.12

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Solution

The fourth proportional to 461,223.12, 691,777.44 and 124,290.12 is: 186,419.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,223.12 : 691,777.44 = 124,290.12 : x
  2. Step 2: Convert to fraction form
    461,223.12/691,777.44 = 124,290.12/x
  3. Step 3: Cross multiply
    461,223.12x = 691,777.44 × 124,290.12
  4. Step 4: Simplify right side
    461,223.12x = 85,981,101,030.89
  5. Step 5: Solve for x
    x = 85,981,101,030.89/461,223.12
  6. Step 6: Final answer
    x = 186,419.76

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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.