Home / 129,174.70-193,700.54-49,216.61

Finding the Fourth Proportional to 129,174.70, 193,700.54 and 49,216.61

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Solution

The fourth proportional to 129,174.70, 193,700.54 and 49,216.61 is: 73,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,174.70 : 193,700.54 = 49,216.61 : x
  2. Step 2: Convert to fraction form
    129,174.70/193,700.54 = 49,216.61/x
  3. Step 3: Cross multiply
    129,174.70x = 193,700.54 × 49,216.61
  4. Step 4: Simplify right side
    129,174.70x = 9,533,284,402.84
  5. Step 5: Solve for x
    x = 9,533,284,402.84/129,174.70
  6. Step 6: Final answer
    x = 73,801.48

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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.