Home / 424,467.22-636,565.50-140,104.96

Finding the Fourth Proportional to 424,467.22, 636,565.50 and 140,104.96

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Solution

The fourth proportional to 424,467.22, 636,565.50 and 140,104.96 is: 210,112.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,467.22 : 636,565.50 = 140,104.96 : x
  2. Step 2: Convert to fraction form
    424,467.22/636,565.50 = 140,104.96/x
  3. Step 3: Cross multiply
    424,467.22x = 636,565.50 × 140,104.96
  4. Step 4: Simplify right side
    424,467.22x = 89,185,983,914.88
  5. Step 5: Solve for x
    x = 89,185,983,914.88/424,467.22
  6. Step 6: Final answer
    x = 210,112.77

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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.