Home / 130,270.25-179,772.95-73,680.41

Finding the Fourth Proportional to 130,270.25, 179,772.95 and 73,680.41

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Solution

The fourth proportional to 130,270.25, 179,772.95 and 73,680.41 is: 101,678.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,270.25 : 179,772.95 = 73,680.41 : x
  2. Step 2: Convert to fraction form
    130,270.25/179,772.95 = 73,680.41/x
  3. Step 3: Cross multiply
    130,270.25x = 179,772.95 × 73,680.41
  4. Step 4: Simplify right side
    130,270.25x = 13,245,744,662.91
  5. Step 5: Solve for x
    x = 13,245,744,662.91/130,270.25
  6. Step 6: Final answer
    x = 101,678.97

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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.