Home / 129,122.49-193,694.90-35,628.24

Finding the Fourth Proportional to 129,122.49, 193,694.90 and 35,628.24

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Solution

The fourth proportional to 129,122.49, 193,694.90 and 35,628.24 is: 53,445.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,122.49 : 193,694.90 = 35,628.24 : x
  2. Step 2: Convert to fraction form
    129,122.49/193,694.90 = 35,628.24/x
  3. Step 3: Cross multiply
    129,122.49x = 193,694.90 × 35,628.24
  4. Step 4: Simplify right side
    129,122.49x = 6,901,008,205.83
  5. Step 5: Solve for x
    x = 6,901,008,205.83/129,122.49
  6. Step 6: Final answer
    x = 53,445.44

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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.