Home / 164,850.40-246,683.76-142,739.20

Finding the Fourth Proportional to 164,850.40, 246,683.76 and 142,739.20

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Solution

The fourth proportional to 164,850.40, 246,683.76 and 142,739.20 is: 213,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,850.40 : 246,683.76 = 142,739.20 : x
  2. Step 2: Convert to fraction form
    164,850.40/246,683.76 = 142,739.20/x
  3. Step 3: Cross multiply
    164,850.40x = 246,683.76 × 142,739.20
  4. Step 4: Simplify right side
    164,850.40x = 35,211,442,555.39
  5. Step 5: Solve for x
    x = 35,211,442,555.39/164,850.40
  6. Step 6: Final answer
    x = 213,596.34

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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.