Home / 190,294.20-284,858.10-111,173.40

Finding the Fourth Proportional to 190,294.20, 284,858.10 and 111,173.40

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Solution

The fourth proportional to 190,294.20, 284,858.10 and 111,173.40 is: 166,419.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,294.20 : 284,858.10 = 111,173.40 : x
  2. Step 2: Convert to fraction form
    190,294.20/284,858.10 = 111,173.40/x
  3. Step 3: Cross multiply
    190,294.20x = 284,858.10 × 111,173.40
  4. Step 4: Simplify right side
    190,294.20x = 31,668,643,494.54
  5. Step 5: Solve for x
    x = 31,668,643,494.54/190,294.20
  6. Step 6: Final answer
    x = 166,419.38

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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.