Home / 131,053.34-196,530.20-42,293.54

Finding the Fourth Proportional to 131,053.34, 196,530.20 and 42,293.54

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Solution

The fourth proportional to 131,053.34, 196,530.20 and 42,293.54 is: 63,424.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,053.34 : 196,530.20 = 42,293.54 : x
  2. Step 2: Convert to fraction form
    131,053.34/196,530.20 = 42,293.54/x
  3. Step 3: Cross multiply
    131,053.34x = 196,530.20 × 42,293.54
  4. Step 4: Simplify right side
    131,053.34x = 8,311,958,313.37
  5. Step 5: Solve for x
    x = 8,311,958,313.37/131,053.34
  6. Step 6: Final answer
    x = 63,424.24

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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.