Home / 111,975.42-154,546.20-64,244.55

Finding the Fourth Proportional to 111,975.42, 154,546.20 and 64,244.55

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Solution

The fourth proportional to 111,975.42, 154,546.20 and 64,244.55 is: 88,669.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,975.42 : 154,546.20 = 64,244.55 : x
  2. Step 2: Convert to fraction form
    111,975.42/154,546.20 = 64,244.55/x
  3. Step 3: Cross multiply
    111,975.42x = 154,546.20 × 64,244.55
  4. Step 4: Simplify right side
    111,975.42x = 9,928,751,073.21
  5. Step 5: Solve for x
    x = 9,928,751,073.21/111,975.42
  6. Step 6: Final answer
    x = 88,669.02

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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.