Home / 140,777.12-211,234.08-61,881.14

Finding the Fourth Proportional to 140,777.12, 211,234.08 and 61,881.14

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Solution

The fourth proportional to 140,777.12, 211,234.08 and 61,881.14 is: 92,851.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,777.12 : 211,234.08 = 61,881.14 : x
  2. Step 2: Convert to fraction form
    140,777.12/211,234.08 = 61,881.14/x
  3. Step 3: Cross multiply
    140,777.12x = 211,234.08 × 61,881.14
  4. Step 4: Simplify right side
    140,777.12x = 13,071,405,677.25
  5. Step 5: Solve for x
    x = 13,071,405,677.25/140,777.12
  6. Step 6: Final answer
    x = 92,851.78

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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.