Home / 133,660.86-184,385.16-79,931.76

Finding the Fourth Proportional to 133,660.86, 184,385.16 and 79,931.76

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Solution

The fourth proportional to 133,660.86, 184,385.16 and 79,931.76 is: 110,265.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,660.86 : 184,385.16 = 79,931.76 : x
  2. Step 2: Convert to fraction form
    133,660.86/184,385.16 = 79,931.76/x
  3. Step 3: Cross multiply
    133,660.86x = 184,385.16 × 79,931.76
  4. Step 4: Simplify right side
    133,660.86x = 14,738,230,356.68
  5. Step 5: Solve for x
    x = 14,738,230,356.68/133,660.86
  6. Step 6: Final answer
    x = 110,265.87

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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.