Home / 190,410.26-262,766.14-105,532.78

Finding the Fourth Proportional to 190,410.26, 262,766.14 and 105,532.78

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Solution

The fourth proportional to 190,410.26, 262,766.14 and 105,532.78 is: 145,635.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,410.26 : 262,766.14 = 105,532.78 : x
  2. Step 2: Convert to fraction form
    190,410.26/262,766.14 = 105,532.78/x
  3. Step 3: Cross multiply
    190,410.26x = 262,766.14 × 105,532.78
  4. Step 4: Simplify right side
    190,410.26x = 27,730,441,244.07
  5. Step 5: Solve for x
    x = 27,730,441,244.07/190,410.26
  6. Step 6: Final answer
    x = 145,635.23

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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.