Home / 212,905.01-293,799.03-122,197.14

Finding the Fourth Proportional to 212,905.01, 293,799.03 and 122,197.14

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Solution

The fourth proportional to 212,905.01, 293,799.03 and 122,197.14 is: 168,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,905.01 : 293,799.03 = 122,197.14 : x
  2. Step 2: Convert to fraction form
    212,905.01/293,799.03 = 122,197.14/x
  3. Step 3: Cross multiply
    212,905.01x = 293,799.03 × 122,197.14
  4. Step 4: Simplify right side
    212,905.01x = 35,901,399,731.78
  5. Step 5: Solve for x
    x = 35,901,399,731.78/212,905.01
  6. Step 6: Final answer
    x = 168,626.37

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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.