Home / 240,705.16-361,091.34-100,431.64

Finding the Fourth Proportional to 240,705.16, 361,091.34 and 100,431.64

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Solution

The fourth proportional to 240,705.16, 361,091.34 and 100,431.64 is: 150,661.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,705.16 : 361,091.34 = 100,431.64 : x
  2. Step 2: Convert to fraction form
    240,705.16/361,091.34 = 100,431.64/x
  3. Step 3: Cross multiply
    240,705.16x = 361,091.34 × 100,431.64
  4. Step 4: Simplify right side
    240,705.16x = 36,264,995,466.00
  5. Step 5: Solve for x
    x = 36,264,995,466.00/240,705.16
  6. Step 6: Final answer
    x = 150,661.48

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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.