Home / 212,851.22-293,734.31-117,358.20

Finding the Fourth Proportional to 212,851.22, 293,734.31 and 117,358.20

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Solution

The fourth proportional to 212,851.22, 293,734.31 and 117,358.20 is: 161,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,851.22 : 293,734.31 = 117,358.20 : x
  2. Step 2: Convert to fraction form
    212,851.22/293,734.31 = 117,358.20/x
  3. Step 3: Cross multiply
    212,851.22x = 293,734.31 × 117,358.20
  4. Step 4: Simplify right side
    212,851.22x = 34,472,129,313.05
  5. Step 5: Solve for x
    x = 34,472,129,313.05/212,851.22
  6. Step 6: Final answer
    x = 161,954.11

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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.