Home / 170,434.82-235,625.21-127,919.54

Finding the Fourth Proportional to 170,434.82, 235,625.21 and 127,919.54

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Solution

The fourth proportional to 170,434.82, 235,625.21 and 127,919.54 is: 176,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,434.82 : 235,625.21 = 127,919.54 : x
  2. Step 2: Convert to fraction form
    170,434.82/235,625.21 = 127,919.54/x
  3. Step 3: Cross multiply
    170,434.82x = 235,625.21 × 127,919.54
  4. Step 4: Simplify right side
    170,434.82x = 30,141,066,657.88
  5. Step 5: Solve for x
    x = 30,141,066,657.88/170,434.82
  6. Step 6: Final answer
    x = 176,848.06

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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.