Home / 190,022.90-284,856.15-71,773.70

Finding the Fourth Proportional to 190,022.90, 284,856.15 and 71,773.70

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Solution

The fourth proportional to 190,022.90, 284,856.15 and 71,773.70 is: 107,593.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,022.90 : 284,856.15 = 71,773.70 : x
  2. Step 2: Convert to fraction form
    190,022.90/284,856.15 = 71,773.70/x
  3. Step 3: Cross multiply
    190,022.90x = 284,856.15 × 71,773.70
  4. Step 4: Simplify right side
    190,022.90x = 20,445,179,853.26
  5. Step 5: Solve for x
    x = 20,445,179,853.26/190,022.90
  6. Step 6: Final answer
    x = 107,593.24

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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.