Home / 161,118.31-241,611.63-69,939.55

Finding the Fourth Proportional to 161,118.31, 241,611.63 and 69,939.55

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Solution

The fourth proportional to 161,118.31, 241,611.63 and 69,939.55 is: 104,880.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,118.31 : 241,611.63 = 69,939.55 : x
  2. Step 2: Convert to fraction form
    161,118.31/241,611.63 = 69,939.55/x
  3. Step 3: Cross multiply
    161,118.31x = 241,611.63 × 69,939.55
  4. Step 4: Simplify right side
    161,118.31x = 16,898,208,676.97
  5. Step 5: Solve for x
    x = 16,898,208,676.97/161,118.31
  6. Step 6: Final answer
    x = 104,880.75

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1.5x scale

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.