Home / 105,143.02-157,796.92-73,346.26

Finding the Fourth Proportional to 105,143.02, 157,796.92 and 73,346.26

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Solution

The fourth proportional to 105,143.02, 157,796.92 and 73,346.26 is: 110,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,143.02 : 157,796.92 = 73,346.26 : x
  2. Step 2: Convert to fraction form
    105,143.02/157,796.92 = 73,346.26/x
  3. Step 3: Cross multiply
    105,143.02x = 157,796.92 × 73,346.26
  4. Step 4: Simplify right side
    105,143.02x = 11,573,813,286.37
  5. Step 5: Solve for x
    x = 11,573,813,286.37/105,143.02
  6. Step 6: Final answer
    x = 110,076.86

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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.