Home / 344,747.16-517,120.74-108,108.90

Finding the Fourth Proportional to 344,747.16, 517,120.74 and 108,108.90

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Solution

The fourth proportional to 344,747.16, 517,120.74 and 108,108.90 is: 162,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,747.16 : 517,120.74 = 108,108.90 : x
  2. Step 2: Convert to fraction form
    344,747.16/517,120.74 = 108,108.90/x
  3. Step 3: Cross multiply
    344,747.16x = 517,120.74 × 108,108.90
  4. Step 4: Simplify right side
    344,747.16x = 55,905,354,368.59
  5. Step 5: Solve for x
    x = 55,905,354,368.59/344,747.16
  6. Step 6: Final answer
    x = 162,163.35

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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.