Home / 190,739.16-285,759.84-89,351.04

Finding the Fourth Proportional to 190,739.16, 285,759.84 and 89,351.04

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Solution

The fourth proportional to 190,739.16, 285,759.84 and 89,351.04 is: 133,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,739.16 : 285,759.84 = 89,351.04 : x
  2. Step 2: Convert to fraction form
    190,739.16/285,759.84 = 89,351.04/x
  3. Step 3: Cross multiply
    190,739.16x = 285,759.84 × 89,351.04
  4. Step 4: Simplify right side
    190,739.16x = 25,532,938,894.23
  5. Step 5: Solve for x
    x = 25,532,938,894.23/190,739.16
  6. Step 6: Final answer
    x = 133,863.12

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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.