Home / 130,697.22-195,730.06-74,366.70

Finding the Fourth Proportional to 130,697.22, 195,730.06 and 74,366.70

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Solution

The fourth proportional to 130,697.22, 195,730.06 and 74,366.70 is: 111,370.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,697.22 : 195,730.06 = 74,366.70 : x
  2. Step 2: Convert to fraction form
    130,697.22/195,730.06 = 74,366.70/x
  3. Step 3: Cross multiply
    130,697.22x = 195,730.06 × 74,366.70
  4. Step 4: Simplify right side
    130,697.22x = 14,555,798,653.00
  5. Step 5: Solve for x
    x = 14,555,798,653.00/130,697.22
  6. Step 6: Final answer
    x = 111,370.38

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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.