Home / 131,031.07-196,622.74-55,124.04

Finding the Fourth Proportional to 131,031.07, 196,622.74 and 55,124.04

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Solution

The fourth proportional to 131,031.07, 196,622.74 and 55,124.04 is: 82,718.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,031.07 : 196,622.74 = 55,124.04 : x
  2. Step 2: Convert to fraction form
    131,031.07/196,622.74 = 55,124.04/x
  3. Step 3: Cross multiply
    131,031.07x = 196,622.74 × 55,124.04
  4. Step 4: Simplify right side
    131,031.07x = 10,838,640,590.91
  5. Step 5: Solve for x
    x = 10,838,640,590.91/131,031.07
  6. Step 6: Final answer
    x = 82,718.10

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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.