Home / 368,049.06-552,190.23-131,386.50

Finding the Fourth Proportional to 368,049.06, 552,190.23 and 131,386.50

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Solution

The fourth proportional to 368,049.06, 552,190.23 and 131,386.50 is: 197,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,049.06 : 552,190.23 = 131,386.50 : x
  2. Step 2: Convert to fraction form
    368,049.06/552,190.23 = 131,386.50/x
  3. Step 3: Cross multiply
    368,049.06x = 552,190.23 × 131,386.50
  4. Step 4: Simplify right side
    368,049.06x = 72,550,341,653.90
  5. Step 5: Solve for x
    x = 72,550,341,653.90/368,049.06
  6. Step 6: Final answer
    x = 197,121.39

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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.