Home / 212,199.38-292,796.07-126,187.10

Finding the Fourth Proportional to 212,199.38, 292,796.07 and 126,187.10

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Solution

The fourth proportional to 212,199.38, 292,796.07 and 126,187.10 is: 174,114.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,199.38 : 292,796.07 = 126,187.10 : x
  2. Step 2: Convert to fraction form
    212,199.38/292,796.07 = 126,187.10/x
  3. Step 3: Cross multiply
    212,199.38x = 292,796.07 × 126,187.10
  4. Step 4: Simplify right side
    212,199.38x = 36,947,086,964.70
  5. Step 5: Solve for x
    x = 36,947,086,964.70/212,199.38
  6. Step 6: Final answer
    x = 174,114.96

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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.