Home / 190,613.84-285,786.04-83,946.96

Finding the Fourth Proportional to 190,613.84, 285,786.04 and 83,946.96

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Solution

The fourth proportional to 190,613.84, 285,786.04 and 83,946.96 is: 125,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,613.84 : 285,786.04 = 83,946.96 : x
  2. Step 2: Convert to fraction form
    190,613.84/285,786.04 = 83,946.96/x
  3. Step 3: Cross multiply
    190,613.84x = 285,786.04 × 83,946.96
  4. Step 4: Simplify right side
    190,613.84x = 23,990,869,268.44
  5. Step 5: Solve for x
    x = 23,990,869,268.44/190,613.84
  6. Step 6: Final answer
    x = 125,861.11

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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.