Home / 129,504.54-194,270.28-49,542.33

Finding the Fourth Proportional to 129,504.54, 194,270.28 and 49,542.33

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Solution

The fourth proportional to 129,504.54, 194,270.28 and 49,542.33 is: 74,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,504.54 : 194,270.28 = 49,542.33 : x
  2. Step 2: Convert to fraction form
    129,504.54/194,270.28 = 49,542.33/x
  3. Step 3: Cross multiply
    129,504.54x = 194,270.28 × 49,542.33
  4. Step 4: Simplify right side
    129,504.54x = 9,624,602,320.95
  5. Step 5: Solve for x
    x = 9,624,602,320.95/129,504.54
  6. Step 6: Final answer
    x = 74,318.65

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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.