Home / 194,990.19-292,293.92-100,265.75

Finding the Fourth Proportional to 194,990.19, 292,293.92 and 100,265.75

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Solution

The fourth proportional to 194,990.19, 292,293.92 and 100,265.75 is: 150,300.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,990.19 : 292,293.92 = 100,265.75 : x
  2. Step 2: Convert to fraction form
    194,990.19/292,293.92 = 100,265.75/x
  3. Step 3: Cross multiply
    194,990.19x = 292,293.92 × 100,265.75
  4. Step 4: Simplify right side
    194,990.19x = 29,307,068,430.54
  5. Step 5: Solve for x
    x = 29,307,068,430.54/194,990.19
  6. Step 6: Final answer
    x = 150,300.22

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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.