Home / 130,216.22-195,343.83-47,129.66

Finding the Fourth Proportional to 130,216.22, 195,343.83 and 47,129.66

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Solution

The fourth proportional to 130,216.22, 195,343.83 and 47,129.66 is: 70,701.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,216.22 : 195,343.83 = 47,129.66 : x
  2. Step 2: Convert to fraction form
    130,216.22/195,343.83 = 47,129.66/x
  3. Step 3: Cross multiply
    130,216.22x = 195,343.83 × 47,129.66
  4. Step 4: Simplify right side
    130,216.22x = 9,206,488,291.00
  5. Step 5: Solve for x
    x = 9,206,488,291.00/130,216.22
  6. Step 6: Final answer
    x = 70,701.55

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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.