Home / 331,166.42-496,785.18-141,646.47

Finding the Fourth Proportional to 331,166.42, 496,785.18 and 141,646.47

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Solution

The fourth proportional to 331,166.42, 496,785.18 and 141,646.47 is: 212,484.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,166.42 : 496,785.18 = 141,646.47 : x
  2. Step 2: Convert to fraction form
    331,166.42/496,785.18 = 141,646.47/x
  3. Step 3: Cross multiply
    331,166.42x = 496,785.18 × 141,646.47
  4. Step 4: Simplify right side
    331,166.42x = 70,367,867,095.31
  5. Step 5: Solve for x
    x = 70,367,867,095.31/331,166.42
  6. Step 6: Final answer
    x = 212,484.91

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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.