Home / 247,832.40-371,539.62-107,485.32

Finding the Fourth Proportional to 247,832.40, 371,539.62 and 107,485.32

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Solution

The fourth proportional to 247,832.40, 371,539.62 and 107,485.32 is: 161,137.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,832.40 : 371,539.62 = 107,485.32 : x
  2. Step 2: Convert to fraction form
    247,832.40/371,539.62 = 107,485.32/x
  3. Step 3: Cross multiply
    247,832.40x = 371,539.62 × 107,485.32
  4. Step 4: Simplify right side
    247,832.40x = 39,935,054,948.38
  5. Step 5: Solve for x
    x = 39,935,054,948.38/247,832.40
  6. Step 6: Final answer
    x = 161,137.35

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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.