Home / 130,295.46-195,439.54-55,378.02

Finding the Fourth Proportional to 130,295.46, 195,439.54 and 55,378.02

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Solution

The fourth proportional to 130,295.46, 195,439.54 and 55,378.02 is: 83,065.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,295.46 : 195,439.54 = 55,378.02 : x
  2. Step 2: Convert to fraction form
    130,295.46/195,439.54 = 55,378.02/x
  3. Step 3: Cross multiply
    130,295.46x = 195,439.54 × 55,378.02
  4. Step 4: Simplify right side
    130,295.46x = 10,823,054,754.91
  5. Step 5: Solve for x
    x = 10,823,054,754.91/130,295.46
  6. Step 6: Final answer
    x = 83,065.48

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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.