Home / 146,737.64-220,077.30-71,825.60

Finding the Fourth Proportional to 146,737.64, 220,077.30 and 71,825.60

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Solution

The fourth proportional to 146,737.64, 220,077.30 and 71,825.60 is: 107,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,737.64 : 220,077.30 = 71,825.60 : x
  2. Step 2: Convert to fraction form
    146,737.64/220,077.30 = 71,825.60/x
  3. Step 3: Cross multiply
    146,737.64x = 220,077.30 × 71,825.60
  4. Step 4: Simplify right side
    146,737.64x = 15,807,184,118.88
  5. Step 5: Solve for x
    x = 15,807,184,118.88/146,737.64
  6. Step 6: Final answer
    x = 107,724.13

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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.