Home / 190,882.20-286,323.30-102,408.60

Finding the Fourth Proportional to 190,882.20, 286,323.30 and 102,408.60

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Solution

The fourth proportional to 190,882.20, 286,323.30 and 102,408.60 is: 153,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,882.20 : 286,323.30 = 102,408.60 : x
  2. Step 2: Convert to fraction form
    190,882.20/286,323.30 = 102,408.60/x
  3. Step 3: Cross multiply
    190,882.20x = 286,323.30 × 102,408.60
  4. Step 4: Simplify right side
    190,882.20x = 29,321,968,300.38
  5. Step 5: Solve for x
    x = 29,321,968,300.38/190,882.20
  6. Step 6: Final answer
    x = 153,612.90

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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.