Home / 133,738.08-184,552.99-79,991.34

Finding the Fourth Proportional to 133,738.08, 184,552.99 and 79,991.34

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Solution

The fourth proportional to 133,738.08, 184,552.99 and 79,991.34 is: 110,384.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,738.08 : 184,552.99 = 79,991.34 : x
  2. Step 2: Convert to fraction form
    133,738.08/184,552.99 = 79,991.34/x
  3. Step 3: Cross multiply
    133,738.08x = 184,552.99 × 79,991.34
  4. Step 4: Simplify right side
    133,738.08x = 14,762,640,971.11
  5. Step 5: Solve for x
    x = 14,762,640,971.11/133,738.08
  6. Step 6: Final answer
    x = 110,384.72

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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.