Home / 254,318.12-381,465.20-94,425.87

Finding the Fourth Proportional to 254,318.12, 381,465.20 and 94,425.87

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Solution

The fourth proportional to 254,318.12, 381,465.20 and 94,425.87 is: 141,634.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,318.12 : 381,465.20 = 94,425.87 : x
  2. Step 2: Convert to fraction form
    254,318.12/381,465.20 = 94,425.87/x
  3. Step 3: Cross multiply
    254,318.12x = 381,465.20 × 94,425.87
  4. Step 4: Simplify right side
    254,318.12x = 36,020,182,912.59
  5. Step 5: Solve for x
    x = 36,020,182,912.59/254,318.12
  6. Step 6: Final answer
    x = 141,634.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.