Home / 197,152.20-295,849.80-78,811.20

Finding the Fourth Proportional to 197,152.20, 295,849.80 and 78,811.20

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Solution

The fourth proportional to 197,152.20, 295,849.80 and 78,811.20 is: 118,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,152.20 : 295,849.80 = 78,811.20 : x
  2. Step 2: Convert to fraction form
    197,152.20/295,849.80 = 78,811.20/x
  3. Step 3: Cross multiply
    197,152.20x = 295,849.80 × 78,811.20
  4. Step 4: Simplify right side
    197,152.20x = 23,316,277,757.76
  5. Step 5: Solve for x
    x = 23,316,277,757.76/197,152.20
  6. Step 6: Final answer
    x = 118,265.37

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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.