Home / 131,166.36-196,739.82-52,298.28

Finding the Fourth Proportional to 131,166.36, 196,739.82 and 52,298.28

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Solution

The fourth proportional to 131,166.36, 196,739.82 and 52,298.28 is: 78,443.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,166.36 : 196,739.82 = 52,298.28 : x
  2. Step 2: Convert to fraction form
    131,166.36/196,739.82 = 52,298.28/x
  3. Step 3: Cross multiply
    131,166.36x = 196,739.82 × 52,298.28
  4. Step 4: Simplify right side
    131,166.36x = 10,289,154,193.51
  5. Step 5: Solve for x
    x = 10,289,154,193.51/131,166.36
  6. Step 6: Final answer
    x = 78,443.54

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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.