Home / 194,172.80-291,300.78-109,972.76

Finding the Fourth Proportional to 194,172.80, 291,300.78 and 109,972.76

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Solution

The fourth proportional to 194,172.80, 291,300.78 and 109,972.76 is: 164,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,172.80 : 291,300.78 = 109,972.76 : x
  2. Step 2: Convert to fraction form
    194,172.80/291,300.78 = 109,972.76/x
  3. Step 3: Cross multiply
    194,172.80x = 291,300.78 × 109,972.76
  4. Step 4: Simplify right side
    194,172.80x = 32,035,150,766.75
  5. Step 5: Solve for x
    x = 32,035,150,766.75/194,172.80
  6. Step 6: Final answer
    x = 164,982.69

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1.5x scale

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.