Home / 197,285.28-295,898.64-72,597.12

Finding the Fourth Proportional to 197,285.28, 295,898.64 and 72,597.12

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Solution

The fourth proportional to 197,285.28, 295,898.64 and 72,597.12 is: 108,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,285.28 : 295,898.64 = 72,597.12 : x
  2. Step 2: Convert to fraction form
    197,285.28/295,898.64 = 72,597.12/x
  3. Step 3: Cross multiply
    197,285.28x = 295,898.64 × 72,597.12
  4. Step 4: Simplify right side
    197,285.28x = 21,481,389,075.92
  5. Step 5: Solve for x
    x = 21,481,389,075.92/197,285.28
  6. Step 6: Final answer
    x = 108,884.91

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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.