Home / 242,105.28-334,146.24-140,133.60

Finding the Fourth Proportional to 242,105.28, 334,146.24 and 140,133.60

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Solution

The fourth proportional to 242,105.28, 334,146.24 and 140,133.60 is: 193,408.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,105.28 : 334,146.24 = 140,133.60 : x
  2. Step 2: Convert to fraction form
    242,105.28/334,146.24 = 140,133.60/x
  3. Step 3: Cross multiply
    242,105.28x = 334,146.24 × 140,133.60
  4. Step 4: Simplify right side
    242,105.28x = 46,825,115,537.66
  5. Step 5: Solve for x
    x = 46,825,115,537.66/242,105.28
  6. Step 6: Final answer
    x = 193,408.07

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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.