Home / 190,910.90-263,441.66-110,343.65

Finding the Fourth Proportional to 190,910.90, 263,441.66 and 110,343.65

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Solution

The fourth proportional to 190,910.90, 263,441.66 and 110,343.65 is: 152,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,910.90 : 263,441.66 = 110,343.65 : x
  2. Step 2: Convert to fraction form
    190,910.90/263,441.66 = 110,343.65/x
  3. Step 3: Cross multiply
    190,910.90x = 263,441.66 × 110,343.65
  4. Step 4: Simplify right side
    190,910.90x = 29,069,112,457.53
  5. Step 5: Solve for x
    x = 29,069,112,457.53/190,910.90
  6. Step 6: Final answer
    x = 152,265.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.