Home / 120,227.09-180,667.77-64,106.84

Finding the Fourth Proportional to 120,227.09, 180,667.77 and 64,106.84

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Solution

The fourth proportional to 120,227.09, 180,667.77 and 64,106.84 is: 96,334.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,227.09 : 180,667.77 = 64,106.84 : x
  2. Step 2: Convert to fraction form
    120,227.09/180,667.77 = 64,106.84/x
  3. Step 3: Cross multiply
    120,227.09x = 180,667.77 × 64,106.84
  4. Step 4: Simplify right side
    120,227.09x = 11,582,040,035.82
  5. Step 5: Solve for x
    x = 11,582,040,035.82/120,227.09
  6. Step 6: Final answer
    x = 96,334.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.