Home / 212,401.82-293,112.20-116,906.46

Finding the Fourth Proportional to 212,401.82, 293,112.20 and 116,906.46

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Solution

The fourth proportional to 212,401.82, 293,112.20 and 116,906.46 is: 161,329.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,401.82 : 293,112.20 = 116,906.46 : x
  2. Step 2: Convert to fraction form
    212,401.82/293,112.20 = 116,906.46/x
  3. Step 3: Cross multiply
    212,401.82x = 293,112.20 × 116,906.46
  4. Step 4: Simplify right side
    212,401.82x = 34,266,709,684.81
  5. Step 5: Solve for x
    x = 34,266,709,684.81/212,401.82
  6. Step 6: Final answer
    x = 161,329.64

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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.