Home / 117,863.15-162,650.66-64,148.15

Finding the Fourth Proportional to 117,863.15, 162,650.66 and 64,148.15

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Solution

The fourth proportional to 117,863.15, 162,650.66 and 64,148.15 is: 88,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,863.15 : 162,650.66 = 64,148.15 : x
  2. Step 2: Convert to fraction form
    117,863.15/162,650.66 = 64,148.15/x
  3. Step 3: Cross multiply
    117,863.15x = 162,650.66 × 64,148.15
  4. Step 4: Simplify right side
    117,863.15x = 10,433,739,021.16
  5. Step 5: Solve for x
    x = 10,433,739,021.16/117,863.15
  6. Step 6: Final answer
    x = 88,524.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.