Home / 133,381.02-184,063.20-72,951.48

Finding the Fourth Proportional to 133,381.02, 184,063.20 and 72,951.48

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Solution

The fourth proportional to 133,381.02, 184,063.20 and 72,951.48 is: 100,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,381.02 : 184,063.20 = 72,951.48 : x
  2. Step 2: Convert to fraction form
    133,381.02/184,063.20 = 72,951.48/x
  3. Step 3: Cross multiply
    133,381.02x = 184,063.20 × 72,951.48
  4. Step 4: Simplify right side
    133,381.02x = 13,427,682,853.54
  5. Step 5: Solve for x
    x = 13,427,682,853.54/133,381.02
  6. Step 6: Final answer
    x = 100,671.62

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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.