Home / 127,970.74-176,504.43-93,968.56

Finding the Fourth Proportional to 127,970.74, 176,504.43 and 93,968.56

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Solution

The fourth proportional to 127,970.74, 176,504.43 and 93,968.56 is: 129,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,970.74 : 176,504.43 = 93,968.56 : x
  2. Step 2: Convert to fraction form
    127,970.74/176,504.43 = 93,968.56/x
  3. Step 3: Cross multiply
    127,970.74x = 176,504.43 × 93,968.56
  4. Step 4: Simplify right side
    127,970.74x = 16,585,867,120.72
  5. Step 5: Solve for x
    x = 16,585,867,120.72/127,970.74
  6. Step 6: Final answer
    x = 129,606.71

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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.