Home / 131,351.22-197,048.70-42,586.36

Finding the Fourth Proportional to 131,351.22, 197,048.70 and 42,586.36

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Solution

The fourth proportional to 131,351.22, 197,048.70 and 42,586.36 is: 63,886.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,351.22 : 197,048.70 = 42,586.36 : x
  2. Step 2: Convert to fraction form
    131,351.22/197,048.70 = 42,586.36/x
  3. Step 3: Cross multiply
    131,351.22x = 197,048.70 × 42,586.36
  4. Step 4: Simplify right side
    131,351.22x = 8,391,586,383.11
  5. Step 5: Solve for x
    x = 8,391,586,383.11/131,351.22
  6. Step 6: Final answer
    x = 63,886.63

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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.