Home / 190,209.53-262,489.14-105,326.60

Finding the Fourth Proportional to 190,209.53, 262,489.14 and 105,326.60

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Solution

The fourth proportional to 190,209.53, 262,489.14 and 105,326.60 is: 145,350.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.53 : 262,489.14 = 105,326.60 : x
  2. Step 2: Convert to fraction form
    190,209.53/262,489.14 = 105,326.60/x
  3. Step 3: Cross multiply
    190,209.53x = 262,489.14 × 105,326.60
  4. Step 4: Simplify right side
    190,209.53x = 27,647,087,340.68
  5. Step 5: Solve for x
    x = 27,647,087,340.68/190,209.53
  6. Step 6: Final answer
    x = 145,350.69

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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.