Home / 100,902.03-151,156.14-61,361.07

Finding the Fourth Proportional to 100,902.03, 151,156.14 and 61,361.07

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Solution

The fourth proportional to 100,902.03, 151,156.14 and 61,361.07 is: 91,921.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,902.03 : 151,156.14 = 61,361.07 : x
  2. Step 2: Convert to fraction form
    100,902.03/151,156.14 = 61,361.07/x
  3. Step 3: Cross multiply
    100,902.03x = 151,156.14 × 61,361.07
  4. Step 4: Simplify right side
    100,902.03x = 9,275,102,487.47
  5. Step 5: Solve for x
    x = 9,275,102,487.47/100,902.03
  6. Step 6: Final answer
    x = 91,921.86

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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.