Home / 111,946.94-167,986.02-80,322.92

Finding the Fourth Proportional to 111,946.94, 167,986.02 and 80,322.92

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Solution

The fourth proportional to 111,946.94, 167,986.02 and 80,322.92 is: 120,531.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,946.94 : 167,986.02 = 80,322.92 : x
  2. Step 2: Convert to fraction form
    111,946.94/167,986.02 = 80,322.92/x
  3. Step 3: Cross multiply
    111,946.94x = 167,986.02 × 80,322.92
  4. Step 4: Simplify right side
    111,946.94x = 13,493,126,404.03
  5. Step 5: Solve for x
    x = 13,493,126,404.03/111,946.94
  6. Step 6: Final answer
    x = 120,531.45

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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.