Home / 120,195.28-165,868.44-66,484.24

Finding the Fourth Proportional to 120,195.28, 165,868.44 and 66,484.24

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Solution

The fourth proportional to 120,195.28, 165,868.44 and 66,484.24 is: 91,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,195.28 : 165,868.44 = 66,484.24 : x
  2. Step 2: Convert to fraction form
    120,195.28/165,868.44 = 66,484.24/x
  3. Step 3: Cross multiply
    120,195.28x = 165,868.44 × 66,484.24
  4. Step 4: Simplify right side
    120,195.28x = 11,027,637,173.39
  5. Step 5: Solve for x
    x = 11,027,637,173.39/120,195.28
  6. Step 6: Final answer
    x = 91,747.67

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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.