Home / 173,667.40-260,632.30-127,040.56

Finding the Fourth Proportional to 173,667.40, 260,632.30 and 127,040.56

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Solution

The fourth proportional to 173,667.40, 260,632.30 and 127,040.56 is: 190,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,667.40 : 260,632.30 = 127,040.56 : x
  2. Step 2: Convert to fraction form
    173,667.40/260,632.30 = 127,040.56/x
  3. Step 3: Cross multiply
    173,667.40x = 260,632.30 × 127,040.56
  4. Step 4: Simplify right side
    173,667.40x = 33,110,873,346.09
  5. Step 5: Solve for x
    x = 33,110,873,346.09/173,667.40
  6. Step 6: Final answer
    x = 190,656.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.