Home / 190,112.04-262,351.44-105,227.28

Finding the Fourth Proportional to 190,112.04, 262,351.44 and 105,227.28

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Solution

The fourth proportional to 190,112.04, 262,351.44 and 105,227.28 is: 145,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,112.04 : 262,351.44 = 105,227.28 : x
  2. Step 2: Convert to fraction form
    190,112.04/262,351.44 = 105,227.28/x
  3. Step 3: Cross multiply
    190,112.04x = 262,351.44 × 105,227.28
  4. Step 4: Simplify right side
    190,112.04x = 27,606,528,435.28
  5. Step 5: Solve for x
    x = 27,606,528,435.28/190,112.04
  6. Step 6: Final answer
    x = 145,211.89

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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.