Home / 375,279.72-562,977.90-126,020.04

Finding the Fourth Proportional to 375,279.72, 562,977.90 and 126,020.04

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Solution

The fourth proportional to 375,279.72, 562,977.90 and 126,020.04 is: 189,049.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,279.72 : 562,977.90 = 126,020.04 : x
  2. Step 2: Convert to fraction form
    375,279.72/562,977.90 = 126,020.04/x
  3. Step 3: Cross multiply
    375,279.72x = 562,977.90 × 126,020.04
  4. Step 4: Simplify right side
    375,279.72x = 70,946,497,162.07
  5. Step 5: Solve for x
    x = 70,946,497,162.07/375,279.72
  6. Step 6: Final answer
    x = 189,049.64

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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.