Home / 136,353.84-188,226.36-91,667.76

Finding the Fourth Proportional to 136,353.84, 188,226.36 and 91,667.76

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Solution

The fourth proportional to 136,353.84, 188,226.36 and 91,667.76 is: 126,540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,353.84 : 188,226.36 = 91,667.76 : x
  2. Step 2: Convert to fraction form
    136,353.84/188,226.36 = 91,667.76/x
  3. Step 3: Cross multiply
    136,353.84x = 188,226.36 × 91,667.76
  4. Step 4: Simplify right side
    136,353.84x = 17,254,288,794.15
  5. Step 5: Solve for x
    x = 17,254,288,794.15/136,353.84
  6. Step 6: Final answer
    x = 126,540.54

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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.