Home / 185,404.80-278,107.20-125,529.60

Finding the Fourth Proportional to 185,404.80, 278,107.20 and 125,529.60

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Solution

The fourth proportional to 185,404.80, 278,107.20 and 125,529.60 is: 188,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,404.80 : 278,107.20 = 125,529.60 : x
  2. Step 2: Convert to fraction form
    185,404.80/278,107.20 = 125,529.60/x
  3. Step 3: Cross multiply
    185,404.80x = 278,107.20 × 125,529.60
  4. Step 4: Simplify right side
    185,404.80x = 34,910,685,573.12
  5. Step 5: Solve for x
    x = 34,910,685,573.12/185,404.80
  6. Step 6: Final answer
    x = 188,294.40

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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.