Home / 117,598.36-162,286.86-63,883.78

Finding the Fourth Proportional to 117,598.36, 162,286.86 and 63,883.78

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Solution

The fourth proportional to 117,598.36, 162,286.86 and 63,883.78 is: 88,160.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,598.36 : 162,286.86 = 63,883.78 : x
  2. Step 2: Convert to fraction form
    117,598.36/162,286.86 = 63,883.78/x
  3. Step 3: Cross multiply
    117,598.36x = 162,286.86 × 63,883.78
  4. Step 4: Simplify right side
    117,598.36x = 10,367,498,061.13
  5. Step 5: Solve for x
    x = 10,367,498,061.13/117,598.36
  6. Step 6: Final answer
    x = 88,160.23

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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.