Home / 134,475.41-185,520.43-80,016.73

Finding the Fourth Proportional to 134,475.41, 185,520.43 and 80,016.73

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Solution

The fourth proportional to 134,475.41, 185,520.43 and 80,016.73 is: 110,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,475.41 : 185,520.43 = 80,016.73 : x
  2. Step 2: Convert to fraction form
    134,475.41/185,520.43 = 80,016.73/x
  3. Step 3: Cross multiply
    134,475.41x = 185,520.43 × 80,016.73
  4. Step 4: Simplify right side
    134,475.41x = 14,844,737,342.92
  5. Step 5: Solve for x
    x = 14,844,737,342.92/134,475.41
  6. Step 6: Final answer
    x = 110,389.98

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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.