Home / 115,884.10-173,826.15-109,432.90

Finding the Fourth Proportional to 115,884.10, 173,826.15 and 109,432.90

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Solution

The fourth proportional to 115,884.10, 173,826.15 and 109,432.90 is: 164,149.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,884.10 : 173,826.15 = 109,432.90 : x
  2. Step 2: Convert to fraction form
    115,884.10/173,826.15 = 109,432.90/x
  3. Step 3: Cross multiply
    115,884.10x = 173,826.15 × 109,432.90
  4. Step 4: Simplify right side
    115,884.10x = 19,022,299,690.34
  5. Step 5: Solve for x
    x = 19,022,299,690.34/115,884.10
  6. Step 6: Final answer
    x = 164,149.35

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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.