Home / 439,647.40-659,472.18-124,104.16

Finding the Fourth Proportional to 439,647.40, 659,472.18 and 124,104.16

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Solution

The fourth proportional to 439,647.40, 659,472.18 and 124,104.16 is: 186,156.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,647.40 : 659,472.18 = 124,104.16 : x
  2. Step 2: Convert to fraction form
    439,647.40/659,472.18 = 124,104.16/x
  3. Step 3: Cross multiply
    439,647.40x = 659,472.18 × 124,104.16
  4. Step 4: Simplify right side
    439,647.40x = 81,843,240,942.27
  5. Step 5: Solve for x
    x = 81,843,240,942.27/439,647.40
  6. Step 6: Final answer
    x = 186,156.54

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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.