Home / 190,040.82-262,263.33-122,972.82

Finding the Fourth Proportional to 190,040.82, 262,263.33 and 122,972.82

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Solution

The fourth proportional to 190,040.82, 262,263.33 and 122,972.82 is: 169,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,040.82 : 262,263.33 = 122,972.82 : x
  2. Step 2: Convert to fraction form
    190,040.82/262,263.33 = 122,972.82/x
  3. Step 3: Cross multiply
    190,040.82x = 262,263.33 × 122,972.82
  4. Step 4: Simplify right side
    190,040.82x = 32,251,261,272.69
  5. Step 5: Solve for x
    x = 32,251,261,272.69/190,040.82
  6. Step 6: Final answer
    x = 169,707.02

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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.