Home / 135,524.57-203,303.25-128,061.44

Finding the Fourth Proportional to 135,524.57, 203,303.25 and 128,061.44

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Solution

The fourth proportional to 135,524.57, 203,303.25 and 128,061.44 is: 192,107.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,524.57 : 203,303.25 = 128,061.44 : x
  2. Step 2: Convert to fraction form
    135,524.57/203,303.25 = 128,061.44/x
  3. Step 3: Cross multiply
    135,524.57x = 203,303.25 × 128,061.44
  4. Step 4: Simplify right side
    135,524.57x = 26,035,305,935.16
  5. Step 5: Solve for x
    x = 26,035,305,935.16/135,524.57
  6. Step 6: Final answer
    x = 192,107.65

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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.