Home / 117,911.22-162,716.49-64,196.13

Finding the Fourth Proportional to 117,911.22, 162,716.49 and 64,196.13

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Solution

The fourth proportional to 117,911.22, 162,716.49 and 64,196.13 is: 88,590.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,911.22 : 162,716.49 = 64,196.13 : x
  2. Step 2: Convert to fraction form
    117,911.22/162,716.49 = 64,196.13/x
  3. Step 3: Cross multiply
    117,911.22x = 162,716.49 × 64,196.13
  4. Step 4: Simplify right side
    117,911.22x = 10,445,768,945.18
  5. Step 5: Solve for x
    x = 10,445,768,945.18/117,911.22
  6. Step 6: Final answer
    x = 88,590.12

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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.