Home / 130,122.93-195,185.79-45,867.39

Finding the Fourth Proportional to 130,122.93, 195,185.79 and 45,867.39

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Solution

The fourth proportional to 130,122.93, 195,185.79 and 45,867.39 is: 68,801.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,122.93 : 195,185.79 = 45,867.39 : x
  2. Step 2: Convert to fraction form
    130,122.93/195,185.79 = 45,867.39/x
  3. Step 3: Cross multiply
    130,122.93x = 195,185.79 × 45,867.39
  4. Step 4: Simplify right side
    130,122.93x = 8,952,662,752.39
  5. Step 5: Solve for x
    x = 8,952,662,752.39/130,122.93
  6. Step 6: Final answer
    x = 68,801.58

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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.