Home / 111,708.00-167,681.38-45,191.61

Finding the Fourth Proportional to 111,708.00, 167,681.38 and 45,191.61

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Solution

The fourth proportional to 111,708.00, 167,681.38 and 45,191.61 is: 67,835.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,708.00 : 167,681.38 = 45,191.61 : x
  2. Step 2: Convert to fraction form
    111,708.00/167,681.38 = 45,191.61/x
  3. Step 3: Cross multiply
    111,708.00x = 167,681.38 × 45,191.61
  4. Step 4: Simplify right side
    111,708.00x = 7,577,792,214.52
  5. Step 5: Solve for x
    x = 7,577,792,214.52/111,708.00
  6. Step 6: Final answer
    x = 67,835.71

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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.