Home / 190,410.75-262,766.85-105,533.28

Finding the Fourth Proportional to 190,410.75, 262,766.85 and 105,533.28

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Solution

The fourth proportional to 190,410.75, 262,766.85 and 105,533.28 is: 145,635.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,410.75 : 262,766.85 = 105,533.28 : x
  2. Step 2: Convert to fraction form
    190,410.75/262,766.85 = 105,533.28/x
  3. Step 3: Cross multiply
    190,410.75x = 262,766.85 × 105,533.28
  4. Step 4: Simplify right side
    190,410.75x = 27,730,647,555.77
  5. Step 5: Solve for x
    x = 27,730,647,555.77/190,410.75
  6. Step 6: Final answer
    x = 145,635.93

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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.