Home / 198,141.01-273,434.55-113,259.90

Finding the Fourth Proportional to 198,141.01, 273,434.55 and 113,259.90

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Solution

The fourth proportional to 198,141.01, 273,434.55 and 113,259.90 is: 156,298.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,141.01 : 273,434.55 = 113,259.90 : x
  2. Step 2: Convert to fraction form
    198,141.01/273,434.55 = 113,259.90/x
  3. Step 3: Cross multiply
    198,141.01x = 273,434.55 × 113,259.90
  4. Step 4: Simplify right side
    198,141.01x = 30,969,168,422.37
  5. Step 5: Solve for x
    x = 30,969,168,422.37/198,141.01
  6. Step 6: Final answer
    x = 156,298.63

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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.