Home / 199,626.10-299,439.15-187,816.30

Finding the Fourth Proportional to 199,626.10, 299,439.15 and 187,816.30

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Solution

The fourth proportional to 199,626.10, 299,439.15 and 187,816.30 is: 281,724.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,626.10 : 299,439.15 = 187,816.30 : x
  2. Step 2: Convert to fraction form
    199,626.10/299,439.15 = 187,816.30/x
  3. Step 3: Cross multiply
    199,626.10x = 299,439.15 × 187,816.30
  4. Step 4: Simplify right side
    199,626.10x = 56,239,553,228.15
  5. Step 5: Solve for x
    x = 56,239,553,228.15/199,626.10
  6. Step 6: Final answer
    x = 281,724.45

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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.