Home / 117,636.68-162,334.18-63,920.54

Finding the Fourth Proportional to 117,636.68, 162,334.18 and 63,920.54

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Solution

The fourth proportional to 117,636.68, 162,334.18 and 63,920.54 is: 88,207.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,636.68 : 162,334.18 = 63,920.54 : x
  2. Step 2: Convert to fraction form
    117,636.68/162,334.18 = 63,920.54/x
  3. Step 3: Cross multiply
    117,636.68x = 162,334.18 × 63,920.54
  4. Step 4: Simplify right side
    117,636.68x = 10,376,488,572.24
  5. Step 5: Solve for x
    x = 10,376,488,572.24/117,636.68
  6. Step 6: Final answer
    x = 88,207.93

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1.5x scale

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.