Home / 111,725.19-154,180.11-63,336.24

Finding the Fourth Proportional to 111,725.19, 154,180.11 and 63,336.24

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Solution

The fourth proportional to 111,725.19, 154,180.11 and 63,336.24 is: 87,403.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,725.19 : 154,180.11 = 63,336.24 : x
  2. Step 2: Convert to fraction form
    111,725.19/154,180.11 = 63,336.24/x
  3. Step 3: Cross multiply
    111,725.19x = 154,180.11 × 63,336.24
  4. Step 4: Simplify right side
    111,725.19x = 9,765,188,450.19
  5. Step 5: Solve for x
    x = 9,765,188,450.19/111,725.19
  6. Step 6: Final answer
    x = 87,403.64

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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.