Home / 131,145.44-196,706.28-52,238.48

Finding the Fourth Proportional to 131,145.44, 196,706.28 and 52,238.48

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Solution

The fourth proportional to 131,145.44, 196,706.28 and 52,238.48 is: 78,352.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,145.44 : 196,706.28 = 52,238.48 : x
  2. Step 2: Convert to fraction form
    131,145.44/196,706.28 = 52,238.48/x
  3. Step 3: Cross multiply
    131,145.44x = 196,706.28 × 52,238.48
  4. Step 4: Simplify right side
    131,145.44x = 10,275,637,073.65
  5. Step 5: Solve for x
    x = 10,275,637,073.65/131,145.44
  6. Step 6: Final answer
    x = 78,352.99

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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.