Home / 190,209.40-262,496.88-105,326.46

Finding the Fourth Proportional to 190,209.40, 262,496.88 and 105,326.46

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Solution

The fourth proportional to 190,209.40, 262,496.88 and 105,326.46 is: 145,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,209.40 : 262,496.88 = 105,326.46 : x
  2. Step 2: Convert to fraction form
    190,209.40/262,496.88 = 105,326.46/x
  3. Step 3: Cross multiply
    190,209.40x = 262,496.88 × 105,326.46
  4. Step 4: Simplify right side
    190,209.40x = 27,647,867,131.44
  5. Step 5: Solve for x
    x = 27,647,867,131.44/190,209.40
  6. Step 6: Final answer
    x = 145,354.90

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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.