Home / 170,436.69-235,627.79-127,921.41

Finding the Fourth Proportional to 170,436.69, 235,627.79 and 127,921.41

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Solution

The fourth proportional to 170,436.69, 235,627.79 and 127,921.41 is: 176,850.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,436.69 : 235,627.79 = 127,921.41 : x
  2. Step 2: Convert to fraction form
    170,436.69/235,627.79 = 127,921.41/x
  3. Step 3: Cross multiply
    170,436.69x = 235,627.79 × 127,921.41
  4. Step 4: Simplify right side
    170,436.69x = 30,141,839,451.79
  5. Step 5: Solve for x
    x = 30,141,839,451.79/170,436.69
  6. Step 6: Final answer
    x = 176,850.65

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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.