Home / 190,343.89-285,645.03-101,661.04

Finding the Fourth Proportional to 190,343.89, 285,645.03 and 101,661.04

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Solution

The fourth proportional to 190,343.89, 285,645.03 and 101,661.04 is: 152,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,343.89 : 285,645.03 = 101,661.04 : x
  2. Step 2: Convert to fraction form
    190,343.89/285,645.03 = 101,661.04/x
  3. Step 3: Cross multiply
    190,343.89x = 285,645.03 × 101,661.04
  4. Step 4: Simplify right side
    190,343.89x = 29,038,970,820.63
  5. Step 5: Solve for x
    x = 29,038,970,820.63/190,343.89
  6. Step 6: Final answer
    x = 152,560.56

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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.