Home / 190,870.20-286,305.30-179,983.80

Finding the Fourth Proportional to 190,870.20, 286,305.30 and 179,983.80

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Solution

The fourth proportional to 190,870.20, 286,305.30 and 179,983.80 is: 269,975.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,870.20 : 286,305.30 = 179,983.80 : x
  2. Step 2: Convert to fraction form
    190,870.20/286,305.30 = 179,983.80/x
  3. Step 3: Cross multiply
    190,870.20x = 286,305.30 × 179,983.80
  4. Step 4: Simplify right side
    190,870.20x = 51,530,315,854.14
  5. Step 5: Solve for x
    x = 51,530,315,854.14/190,870.20
  6. Step 6: Final answer
    x = 269,975.70

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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.