Home / 136,259.35-188,039.13-75,832.54

Finding the Fourth Proportional to 136,259.35, 188,039.13 and 75,832.54

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Solution

The fourth proportional to 136,259.35, 188,039.13 and 75,832.54 is: 104,649.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,259.35 : 188,039.13 = 75,832.54 : x
  2. Step 2: Convert to fraction form
    136,259.35/188,039.13 = 75,832.54/x
  3. Step 3: Cross multiply
    136,259.35x = 188,039.13 × 75,832.54
  4. Step 4: Simplify right side
    136,259.35x = 14,259,484,847.29
  5. Step 5: Solve for x
    x = 14,259,484,847.29/136,259.35
  6. Step 6: Final answer
    x = 104,649.59

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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.