Home / 439,686.66-659,541.35-119,841.15

Finding the Fourth Proportional to 439,686.66, 659,541.35 and 119,841.15

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Solution

The fourth proportional to 439,686.66, 659,541.35 and 119,841.15 is: 179,764.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,686.66 : 659,541.35 = 119,841.15 : x
  2. Step 2: Convert to fraction form
    439,686.66/659,541.35 = 119,841.15/x
  3. Step 3: Cross multiply
    439,686.66x = 659,541.35 × 119,841.15
  4. Step 4: Simplify right side
    439,686.66x = 79,040,193,257.35
  5. Step 5: Solve for x
    x = 79,040,193,257.35/439,686.66
  6. Step 6: Final answer
    x = 179,764.82

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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.