Home / 135,747.24-203,413-56,818.48

Finding the Fourth Proportional to 135,747.24, 203,413 and 56,818.48

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Solution

The fourth proportional to 135,747.24, 203,413 and 56,818.48 is: 85,140.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,747.24 : 203,413 = 56,818.48 : x
  2. Step 2: Convert to fraction form
    135,747.24/203,413 = 56,818.48/x
  3. Step 3: Cross multiply
    135,747.24x = 203,413 × 56,818.48
  4. Step 4: Simplify right side
    135,747.24x = 11,557,617,472.24
  5. Step 5: Solve for x
    x = 11,557,617,472.24/135,747.24
  6. Step 6: Final answer
    x = 85,140.72

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1.5x scale

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.