Home / 130,367.87-195,221.01-109,252.38

Finding the Fourth Proportional to 130,367.87, 195,221.01 and 109,252.38

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Solution

The fourth proportional to 130,367.87, 195,221.01 and 109,252.38 is: 163,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,367.87 : 195,221.01 = 109,252.38 : x
  2. Step 2: Convert to fraction form
    130,367.87/195,221.01 = 109,252.38/x
  3. Step 3: Cross multiply
    130,367.87x = 195,221.01 × 109,252.38
  4. Step 4: Simplify right side
    130,367.87x = 21,328,359,968.50
  5. Step 5: Solve for x
    x = 21,328,359,968.50/130,367.87
  6. Step 6: Final answer
    x = 163,601.35

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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.