Home / 135,772.20-203,658.30-65,710.44

Finding the Fourth Proportional to 135,772.20, 203,658.30 and 65,710.44

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Solution

The fourth proportional to 135,772.20, 203,658.30 and 65,710.44 is: 98,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,772.20 : 203,658.30 = 65,710.44 : x
  2. Step 2: Convert to fraction form
    135,772.20/203,658.30 = 65,710.44/x
  3. Step 3: Cross multiply
    135,772.20x = 203,658.30 × 65,710.44
  4. Step 4: Simplify right side
    135,772.20x = 13,382,476,502.65
  5. Step 5: Solve for x
    x = 13,382,476,502.65/135,772.20
  6. Step 6: Final answer
    x = 98,565.66

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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.