Home / 143,177.80-197,497.02-92,173.72

Finding the Fourth Proportional to 143,177.80, 197,497.02 and 92,173.72

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Solution

The fourth proportional to 143,177.80, 197,497.02 and 92,173.72 is: 127,142.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,177.80 : 197,497.02 = 92,173.72 : x
  2. Step 2: Convert to fraction form
    143,177.80/197,497.02 = 92,173.72/x
  3. Step 3: Cross multiply
    143,177.80x = 197,497.02 × 92,173.72
  4. Step 4: Simplify right side
    143,177.80x = 18,204,035,022.31
  5. Step 5: Solve for x
    x = 18,204,035,022.31/143,177.80
  6. Step 6: Final answer
    x = 127,142.86

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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.