Home / 192,439.96-288,586.10-66,056.64

Finding the Fourth Proportional to 192,439.96, 288,586.10 and 66,056.64

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Solution

The fourth proportional to 192,439.96, 288,586.10 and 66,056.64 is: 99,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,439.96 : 288,586.10 = 66,056.64 : x
  2. Step 2: Convert to fraction form
    192,439.96/288,586.10 = 66,056.64/x
  3. Step 3: Cross multiply
    192,439.96x = 288,586.10 × 66,056.64
  4. Step 4: Simplify right side
    192,439.96x = 19,063,028,116.70
  5. Step 5: Solve for x
    x = 19,063,028,116.70/192,439.96
  6. Step 6: Final answer
    x = 99,059.61

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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.