Home / 526,003.98-789,029.40-161,238.70

Finding the Fourth Proportional to 526,003.98, 789,029.40 and 161,238.70

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Solution

The fourth proportional to 526,003.98, 789,029.40 and 161,238.70 is: 241,865.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,003.98 : 789,029.40 = 161,238.70 : x
  2. Step 2: Convert to fraction form
    526,003.98/789,029.40 = 161,238.70/x
  3. Step 3: Cross multiply
    526,003.98x = 789,029.40 × 161,238.70
  4. Step 4: Simplify right side
    526,003.98x = 127,222,076,308.71
  5. Step 5: Solve for x
    x = 127,222,076,308.71/526,003.98
  6. Step 6: Final answer
    x = 241,865.24

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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.