Home / 190,046.89-262,266.56-105,163.75

Finding the Fourth Proportional to 190,046.89, 262,266.56 and 105,163.75

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Solution

The fourth proportional to 190,046.89, 262,266.56 and 105,163.75 is: 145,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,046.89 : 262,266.56 = 105,163.75 : x
  2. Step 2: Convert to fraction form
    190,046.89/262,266.56 = 105,163.75/x
  3. Step 3: Cross multiply
    190,046.89x = 262,266.56 × 105,163.75
  4. Step 4: Simplify right side
    190,046.89x = 27,580,934,949.20
  5. Step 5: Solve for x
    x = 27,580,934,949.20/190,046.89
  6. Step 6: Final answer
    x = 145,127.00

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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.