Home / 140,890.88-211,237.86-52,132.84

Finding the Fourth Proportional to 140,890.88, 211,237.86 and 52,132.84

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Solution

The fourth proportional to 140,890.88, 211,237.86 and 52,132.84 is: 78,162.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,890.88 : 211,237.86 = 52,132.84 : x
  2. Step 2: Convert to fraction form
    140,890.88/211,237.86 = 52,132.84/x
  3. Step 3: Cross multiply
    140,890.88x = 211,237.86 × 52,132.84
  4. Step 4: Simplify right side
    140,890.88x = 11,012,429,557.32
  5. Step 5: Solve for x
    x = 11,012,429,557.32/140,890.88
  6. Step 6: Final answer
    x = 78,162.83

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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.