Home / 211,040.85-316,577.67-61,283.61

Finding the Fourth Proportional to 211,040.85, 316,577.67 and 61,283.61

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Solution

The fourth proportional to 211,040.85, 316,577.67 and 61,283.61 is: 91,930.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,040.85 : 316,577.67 = 61,283.61 : x
  2. Step 2: Convert to fraction form
    211,040.85/316,577.67 = 61,283.61/x
  3. Step 3: Cross multiply
    211,040.85x = 316,577.67 × 61,283.61
  4. Step 4: Simplify right side
    211,040.85x = 19,401,022,462.99
  5. Step 5: Solve for x
    x = 19,401,022,462.99/211,040.85
  6. Step 6: Final answer
    x = 91,930.18

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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.