Home / 133,878.24-184,600.49-85,415.33

Finding the Fourth Proportional to 133,878.24, 184,600.49 and 85,415.33

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Solution

The fourth proportional to 133,878.24, 184,600.49 and 85,415.33 is: 117,776.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,878.24 : 184,600.49 = 85,415.33 : x
  2. Step 2: Convert to fraction form
    133,878.24/184,600.49 = 85,415.33/x
  3. Step 3: Cross multiply
    133,878.24x = 184,600.49 × 85,415.33
  4. Step 4: Simplify right side
    133,878.24x = 15,767,711,805.94
  5. Step 5: Solve for x
    x = 15,767,711,805.94/133,878.24
  6. Step 6: Final answer
    x = 117,776.51

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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.