Home / 129,252.27-193,940.37-66,922.77

Finding the Fourth Proportional to 129,252.27, 193,940.37 and 66,922.77

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Solution

The fourth proportional to 129,252.27, 193,940.37 and 66,922.77 is: 100,416.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,252.27 : 193,940.37 = 66,922.77 : x
  2. Step 2: Convert to fraction form
    129,252.27/193,940.37 = 66,922.77/x
  3. Step 3: Cross multiply
    129,252.27x = 193,940.37 × 66,922.77
  4. Step 4: Simplify right side
    129,252.27x = 12,979,026,775.22
  5. Step 5: Solve for x
    x = 12,979,026,775.22/129,252.27
  6. Step 6: Final answer
    x = 100,416.24

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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.