Home / 201,729.24-278,383.23-120,114.45

Finding the Fourth Proportional to 201,729.24, 278,383.23 and 120,114.45

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Solution

The fourth proportional to 201,729.24, 278,383.23 and 120,114.45 is: 165,756.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,729.24 : 278,383.23 = 120,114.45 : x
  2. Step 2: Convert to fraction form
    201,729.24/278,383.23 = 120,114.45/x
  3. Step 3: Cross multiply
    201,729.24x = 278,383.23 × 120,114.45
  4. Step 4: Simplify right side
    201,729.24x = 33,437,848,560.67
  5. Step 5: Solve for x
    x = 33,437,848,560.67/201,729.24
  6. Step 6: Final answer
    x = 165,756.08

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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.