Home / 190,198.02-262,470.06-105,313.26

Finding the Fourth Proportional to 190,198.02, 262,470.06 and 105,313.26

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Solution

The fourth proportional to 190,198.02, 262,470.06 and 105,313.26 is: 145,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,198.02 : 262,470.06 = 105,313.26 : x
  2. Step 2: Convert to fraction form
    190,198.02/262,470.06 = 105,313.26/x
  3. Step 3: Cross multiply
    190,198.02x = 262,470.06 × 105,313.26
  4. Step 4: Simplify right side
    190,198.02x = 27,641,577,671.00
  5. Step 5: Solve for x
    x = 27,641,577,671.00/190,198.02
  6. Step 6: Final answer
    x = 145,330.52

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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.