Home / 129,215.83-193,827.39-35,721.58

Finding the Fourth Proportional to 129,215.83, 193,827.39 and 35,721.58

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Solution

The fourth proportional to 129,215.83, 193,827.39 and 35,721.58 is: 53,583.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,215.83 : 193,827.39 = 35,721.58 : x
  2. Step 2: Convert to fraction form
    129,215.83/193,827.39 = 35,721.58/x
  3. Step 3: Cross multiply
    129,215.83x = 193,827.39 × 35,721.58
  4. Step 4: Simplify right side
    129,215.83x = 6,923,820,618.08
  5. Step 5: Solve for x
    x = 6,923,820,618.08/129,215.83
  6. Step 6: Final answer
    x = 53,583.38

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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.