Home / 146,970.47-220,419.93-68,009.24

Finding the Fourth Proportional to 146,970.47, 220,419.93 and 68,009.24

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Solution

The fourth proportional to 146,970.47, 220,419.93 and 68,009.24 is: 101,997.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,970.47 : 220,419.93 = 68,009.24 : x
  2. Step 2: Convert to fraction form
    146,970.47/220,419.93 = 68,009.24/x
  3. Step 3: Cross multiply
    146,970.47x = 220,419.93 × 68,009.24
  4. Step 4: Simplify right side
    146,970.47x = 14,990,591,920.15
  5. Step 5: Solve for x
    x = 14,990,591,920.15/146,970.47
  6. Step 6: Final answer
    x = 101,997.31

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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.