Home / 190,558.10-262,970.10-105,675.17

Finding the Fourth Proportional to 190,558.10, 262,970.10 and 105,675.17

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Solution

The fourth proportional to 190,558.10, 262,970.10 and 105,675.17 is: 145,831.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,558.10 : 262,970.10 = 105,675.17 : x
  2. Step 2: Convert to fraction form
    190,558.10/262,970.10 = 105,675.17/x
  3. Step 3: Cross multiply
    190,558.10x = 262,970.10 × 105,675.17
  4. Step 4: Simplify right side
    190,558.10x = 27,789,410,022.42
  5. Step 5: Solve for x
    x = 27,789,410,022.42/190,558.10
  6. Step 6: Final answer
    x = 145,831.69

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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.