Home / 190,016.90-284,837.35-90,001.30

Finding the Fourth Proportional to 190,016.90, 284,837.35 and 90,001.30

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Solution

The fourth proportional to 190,016.90, 284,837.35 and 90,001.30 is: 134,912.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,016.90 : 284,837.35 = 90,001.30 : x
  2. Step 2: Convert to fraction form
    190,016.90/284,837.35 = 90,001.30/x
  3. Step 3: Cross multiply
    190,016.90x = 284,837.35 × 90,001.30
  4. Step 4: Simplify right side
    190,016.90x = 25,635,731,788.56
  5. Step 5: Solve for x
    x = 25,635,731,788.56/190,016.90
  6. Step 6: Final answer
    x = 134,912.90

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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.