Home / 190,321.68-285,479.28-57,203.04

Finding the Fourth Proportional to 190,321.68, 285,479.28 and 57,203.04

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Solution

The fourth proportional to 190,321.68, 285,479.28 and 57,203.04 is: 85,803.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,321.68 : 285,479.28 = 57,203.04 : x
  2. Step 2: Convert to fraction form
    190,321.68/285,479.28 = 57,203.04/x
  3. Step 3: Cross multiply
    190,321.68x = 285,479.28 × 57,203.04
  4. Step 4: Simplify right side
    190,321.68x = 16,330,282,673.01
  5. Step 5: Solve for x
    x = 16,330,282,673.01/190,321.68
  6. Step 6: Final answer
    x = 85,803.59

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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.