Home / 111,723.20-167,584.80-64,289.60

Finding the Fourth Proportional to 111,723.20, 167,584.80 and 64,289.60

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Solution

The fourth proportional to 111,723.20, 167,584.80 and 64,289.60 is: 96,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,723.20 : 167,584.80 = 64,289.60 : x
  2. Step 2: Convert to fraction form
    111,723.20/167,584.80 = 64,289.60/x
  3. Step 3: Cross multiply
    111,723.20x = 167,584.80 × 64,289.60
  4. Step 4: Simplify right side
    111,723.20x = 10,773,959,758.08
  5. Step 5: Solve for x
    x = 10,773,959,758.08/111,723.20
  6. Step 6: Final answer
    x = 96,434.40

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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.