Home / 190,759.24-286,190.70-66,109.96

Finding the Fourth Proportional to 190,759.24, 286,190.70 and 66,109.96

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Solution

The fourth proportional to 190,759.24, 286,190.70 and 66,109.96 is: 99,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,759.24 : 286,190.70 = 66,109.96 : x
  2. Step 2: Convert to fraction form
    190,759.24/286,190.70 = 66,109.96/x
  3. Step 3: Cross multiply
    190,759.24x = 286,190.70 × 66,109.96
  4. Step 4: Simplify right side
    190,759.24x = 18,920,055,729.37
  5. Step 5: Solve for x
    x = 18,920,055,729.37/190,759.24
  6. Step 6: Final answer
    x = 99,182.91

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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.