Home / 140,884.90-211,304.87-52,118.21

Finding the Fourth Proportional to 140,884.90, 211,304.87 and 52,118.21

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Solution

The fourth proportional to 140,884.90, 211,304.87 and 52,118.21 is: 78,169.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,884.90 : 211,304.87 = 52,118.21 : x
  2. Step 2: Convert to fraction form
    140,884.90/211,304.87 = 52,118.21/x
  3. Step 3: Cross multiply
    140,884.90x = 211,304.87 × 52,118.21
  4. Step 4: Simplify right side
    140,884.90x = 11,012,831,328.09
  5. Step 5: Solve for x
    x = 11,012,831,328.09/140,884.90
  6. Step 6: Final answer
    x = 78,169.00

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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.