Home / 212,692.20-293,516.10-117,194.28

Finding the Fourth Proportional to 212,692.20, 293,516.10 and 117,194.28

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Solution

The fourth proportional to 212,692.20, 293,516.10 and 117,194.28 is: 161,728.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,692.20 : 293,516.10 = 117,194.28 : x
  2. Step 2: Convert to fraction form
    212,692.20/293,516.10 = 117,194.28/x
  3. Step 3: Cross multiply
    212,692.20x = 293,516.10 × 117,194.28
  4. Step 4: Simplify right side
    212,692.20x = 34,398,408,007.91
  5. Step 5: Solve for x
    x = 34,398,408,007.91/212,692.20
  6. Step 6: Final answer
    x = 161,728.58

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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.