Home / 291,181.12-436,876.78-101,669.41

Finding the Fourth Proportional to 291,181.12, 436,876.78 and 101,669.41

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Solution

The fourth proportional to 291,181.12, 436,876.78 and 101,669.41 is: 152,540.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,181.12 : 436,876.78 = 101,669.41 : x
  2. Step 2: Convert to fraction form
    291,181.12/436,876.78 = 101,669.41/x
  3. Step 3: Cross multiply
    291,181.12x = 436,876.78 × 101,669.41
  4. Step 4: Simplify right side
    291,181.12x = 44,417,003,118.93
  5. Step 5: Solve for x
    x = 44,417,003,118.93/291,181.12
  6. Step 6: Final answer
    x = 152,540.81

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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.