Home / 117,629.86-162,330.20-63,914.88

Finding the Fourth Proportional to 117,629.86, 162,330.20 and 63,914.88

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Solution

The fourth proportional to 117,629.86, 162,330.20 and 63,914.88 is: 88,203.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,629.86 : 162,330.20 = 63,914.88 : x
  2. Step 2: Convert to fraction form
    117,629.86/162,330.20 = 63,914.88/x
  3. Step 3: Cross multiply
    117,629.86x = 162,330.20 × 63,914.88
  4. Step 4: Simplify right side
    117,629.86x = 10,375,315,253.38
  5. Step 5: Solve for x
    x = 10,375,315,253.38/117,629.86
  6. Step 6: Final answer
    x = 88,203.07

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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.