Home / 130,769.34-196,124.82-60,639.54

Finding the Fourth Proportional to 130,769.34, 196,124.82 and 60,639.54

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Solution

The fourth proportional to 130,769.34, 196,124.82 and 60,639.54 is: 90,945.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,769.34 : 196,124.82 = 60,639.54 : x
  2. Step 2: Convert to fraction form
    130,769.34/196,124.82 = 60,639.54/x
  3. Step 3: Cross multiply
    130,769.34x = 196,124.82 × 60,639.54
  4. Step 4: Simplify right side
    130,769.34x = 11,892,918,867.38
  5. Step 5: Solve for x
    x = 11,892,918,867.38/130,769.34
  6. Step 6: Final answer
    x = 90,945.77

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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.