Home / 101,380.07-152,091.84-30,308.27

Finding the Fourth Proportional to 101,380.07, 152,091.84 and 30,308.27

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Solution

The fourth proportional to 101,380.07, 152,091.84 and 30,308.27 is: 45,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,380.07 : 152,091.84 = 30,308.27 : x
  2. Step 2: Convert to fraction form
    101,380.07/152,091.84 = 30,308.27/x
  3. Step 3: Cross multiply
    101,380.07x = 152,091.84 × 30,308.27
  4. Step 4: Simplify right side
    101,380.07x = 4,609,640,551.52
  5. Step 5: Solve for x
    x = 4,609,640,551.52/101,380.07
  6. Step 6: Final answer
    x = 45,468.90

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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.