Home / 107,074.32-160,843.24-69,615.12

Finding the Fourth Proportional to 107,074.32, 160,843.24 and 69,615.12

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Solution

The fourth proportional to 107,074.32, 160,843.24 and 69,615.12 is: 104,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,074.32 : 160,843.24 = 69,615.12 : x
  2. Step 2: Convert to fraction form
    107,074.32/160,843.24 = 69,615.12/x
  3. Step 3: Cross multiply
    107,074.32x = 160,843.24 × 69,615.12
  4. Step 4: Simplify right side
    107,074.32x = 11,197,121,453.79
  5. Step 5: Solve for x
    x = 11,197,121,453.79/107,074.32
  6. Step 6: Final answer
    x = 104,573.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.