Home / 212,741.11-293,576.97-117,247.78

Finding the Fourth Proportional to 212,741.11, 293,576.97 and 117,247.78

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Solution

The fourth proportional to 212,741.11, 293,576.97 and 117,247.78 is: 161,798.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,741.11 : 293,576.97 = 117,247.78 : x
  2. Step 2: Convert to fraction form
    212,741.11/293,576.97 = 117,247.78/x
  3. Step 3: Cross multiply
    212,741.11x = 293,576.97 × 117,247.78
  4. Step 4: Simplify right side
    212,741.11x = 34,421,247,991.63
  5. Step 5: Solve for x
    x = 34,421,247,991.63/212,741.11
  6. Step 6: Final answer
    x = 161,798.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.