Home / 130,931.37-196,409.75-52,027.92

Finding the Fourth Proportional to 130,931.37, 196,409.75 and 52,027.92

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Solution

The fourth proportional to 130,931.37, 196,409.75 and 52,027.92 is: 78,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,931.37 : 196,409.75 = 52,027.92 : x
  2. Step 2: Convert to fraction form
    130,931.37/196,409.75 = 52,027.92/x
  3. Step 3: Cross multiply
    130,931.37x = 196,409.75 × 52,027.92
  4. Step 4: Simplify right side
    130,931.37x = 10,218,790,500.08
  5. Step 5: Solve for x
    x = 10,218,790,500.08/130,931.37
  6. Step 6: Final answer
    x = 78,046.92

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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.