Home / 197,731.16-296,610.58-79,402.50

Finding the Fourth Proportional to 197,731.16, 296,610.58 and 79,402.50

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Solution

The fourth proportional to 197,731.16, 296,610.58 and 79,402.50 is: 119,109.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,731.16 : 296,610.58 = 79,402.50 : x
  2. Step 2: Convert to fraction form
    197,731.16/296,610.58 = 79,402.50/x
  3. Step 3: Cross multiply
    197,731.16x = 296,610.58 × 79,402.50
  4. Step 4: Simplify right side
    197,731.16x = 23,551,621,379.94
  5. Step 5: Solve for x
    x = 23,551,621,379.94/197,731.16
  6. Step 6: Final answer
    x = 119,109.31

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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.