Home / 442,736.66-663,874.38-158,317.58

Finding the Fourth Proportional to 442,736.66, 663,874.38 and 158,317.58

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Solution

The fourth proportional to 442,736.66, 663,874.38 and 158,317.58 is: 237,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,736.66 : 663,874.38 = 158,317.58 : x
  2. Step 2: Convert to fraction form
    442,736.66/663,874.38 = 158,317.58/x
  3. Step 3: Cross multiply
    442,736.66x = 663,874.38 × 158,317.58
  4. Step 4: Simplify right side
    442,736.66x = 105,102,985,265.60
  5. Step 5: Solve for x
    x = 105,102,985,265.60/442,736.66
  6. Step 6: Final answer
    x = 237,393.91

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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.