Home / 258,660.55-356,982.63-156,683.02

Finding the Fourth Proportional to 258,660.55, 356,982.63 and 156,683.02

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Solution

The fourth proportional to 258,660.55, 356,982.63 and 156,683.02 is: 216,241.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,660.55 : 356,982.63 = 156,683.02 : x
  2. Step 2: Convert to fraction form
    258,660.55/356,982.63 = 156,683.02/x
  3. Step 3: Cross multiply
    258,660.55x = 356,982.63 × 156,683.02
  4. Step 4: Simplify right side
    258,660.55x = 55,933,116,555.94
  5. Step 5: Solve for x
    x = 55,933,116,555.94/258,660.55
  6. Step 6: Final answer
    x = 216,241.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.