Home / 107,383.35-148,299.26-80,483.25

Finding the Fourth Proportional to 107,383.35, 148,299.26 and 80,483.25

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Solution

The fourth proportional to 107,383.35, 148,299.26 and 80,483.25 is: 111,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,383.35 : 148,299.26 = 80,483.25 : x
  2. Step 2: Convert to fraction form
    107,383.35/148,299.26 = 80,483.25/x
  3. Step 3: Cross multiply
    107,383.35x = 148,299.26 × 80,483.25
  4. Step 4: Simplify right side
    107,383.35x = 11,935,606,417.40
  5. Step 5: Solve for x
    x = 11,935,606,417.40/107,383.35
  6. Step 6: Final answer
    x = 111,149.51

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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.