Home / 135,414.34-203,140.41-56,510.49

Finding the Fourth Proportional to 135,414.34, 203,140.41 and 56,510.49

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Solution

The fourth proportional to 135,414.34, 203,140.41 and 56,510.49 is: 84,773.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,414.34 : 203,140.41 = 56,510.49 : x
  2. Step 2: Convert to fraction form
    135,414.34/203,140.41 = 56,510.49/x
  3. Step 3: Cross multiply
    135,414.34x = 203,140.41 × 56,510.49
  4. Step 4: Simplify right side
    135,414.34x = 11,479,563,092.20
  5. Step 5: Solve for x
    x = 11,479,563,092.20/135,414.34
  6. Step 6: Final answer
    x = 84,773.61

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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.