Home / 129,785.83-194,677.54-41,039.39

Finding the Fourth Proportional to 129,785.83, 194,677.54 and 41,039.39

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Solution

The fourth proportional to 129,785.83, 194,677.54 and 41,039.39 is: 61,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,785.83 : 194,677.54 = 41,039.39 : x
  2. Step 2: Convert to fraction form
    129,785.83/194,677.54 = 41,039.39/x
  3. Step 3: Cross multiply
    129,785.83x = 194,677.54 × 41,039.39
  4. Step 4: Simplify right side
    129,785.83x = 7,989,447,488.30
  5. Step 5: Solve for x
    x = 7,989,447,488.30/129,785.83
  6. Step 6: Final answer
    x = 61,558.70

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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.