Home / 130,178.07-195,293.23-55,297.62

Finding the Fourth Proportional to 130,178.07, 195,293.23 and 55,297.62

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Solution

The fourth proportional to 130,178.07, 195,293.23 and 55,297.62 is: 82,957.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,178.07 : 195,293.23 = 55,297.62 : x
  2. Step 2: Convert to fraction form
    130,178.07/195,293.23 = 55,297.62/x
  3. Step 3: Cross multiply
    130,178.07x = 195,293.23 × 55,297.62
  4. Step 4: Simplify right side
    130,178.07x = 10,799,250,682.87
  5. Step 5: Solve for x
    x = 10,799,250,682.87/130,178.07
  6. Step 6: Final answer
    x = 82,957.53

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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.