Home / 197,528.18-296,215.72-71,141.45

Finding the Fourth Proportional to 197,528.18, 296,215.72 and 71,141.45

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Solution

The fourth proportional to 197,528.18, 296,215.72 and 71,141.45 is: 106,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,528.18 : 296,215.72 = 71,141.45 : x
  2. Step 2: Convert to fraction form
    197,528.18/296,215.72 = 71,141.45/x
  3. Step 3: Cross multiply
    197,528.18x = 296,215.72 × 71,141.45
  4. Step 4: Simplify right side
    197,528.18x = 21,073,214,174.66
  5. Step 5: Solve for x
    x = 21,073,214,174.66/197,528.18
  6. Step 6: Final answer
    x = 106,684.60

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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.