Home / 133,780.46-184,622.85-80,055.18

Finding the Fourth Proportional to 133,780.46, 184,622.85 and 80,055.18

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Solution

The fourth proportional to 133,780.46, 184,622.85 and 80,055.18 is: 110,479.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,780.46 : 184,622.85 = 80,055.18 : x
  2. Step 2: Convert to fraction form
    133,780.46/184,622.85 = 80,055.18/x
  3. Step 3: Cross multiply
    133,780.46x = 184,622.85 × 80,055.18
  4. Step 4: Simplify right side
    133,780.46x = 14,780,015,488.86
  5. Step 5: Solve for x
    x = 14,780,015,488.86/133,780.46
  6. Step 6: Final answer
    x = 110,479.63

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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.