Home / 212,709.09-293,540.52-117,219.21

Finding the Fourth Proportional to 212,709.09, 293,540.52 and 117,219.21

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Solution

The fourth proportional to 212,709.09, 293,540.52 and 117,219.21 is: 161,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,709.09 : 293,540.52 = 117,219.21 : x
  2. Step 2: Convert to fraction form
    212,709.09/293,540.52 = 117,219.21/x
  3. Step 3: Cross multiply
    212,709.09x = 293,540.52 × 117,219.21
  4. Step 4: Simplify right side
    212,709.09x = 34,408,587,857.39
  5. Step 5: Solve for x
    x = 34,408,587,857.39/212,709.09
  6. Step 6: Final answer
    x = 161,763.60

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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.