Home / 189,133.43-261,002.46-103,092.43

Finding the Fourth Proportional to 189,133.43, 261,002.46 and 103,092.43

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Solution

The fourth proportional to 189,133.43, 261,002.46 and 103,092.43 is: 142,266.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,133.43 : 261,002.46 = 103,092.43 : x
  2. Step 2: Convert to fraction form
    189,133.43/261,002.46 = 103,092.43/x
  3. Step 3: Cross multiply
    189,133.43x = 261,002.46 × 103,092.43
  4. Step 4: Simplify right side
    189,133.43x = 26,907,377,184.87
  5. Step 5: Solve for x
    x = 26,907,377,184.87/189,133.43
  6. Step 6: Final answer
    x = 142,266.64

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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.