Home / 413,933.19-620,779.86-161,157.35

Finding the Fourth Proportional to 413,933.19, 620,779.86 and 161,157.35

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Solution

The fourth proportional to 413,933.19, 620,779.86 and 161,157.35 is: 241,689.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,933.19 : 620,779.86 = 161,157.35 : x
  2. Step 2: Convert to fraction form
    413,933.19/620,779.86 = 161,157.35/x
  3. Step 3: Cross multiply
    413,933.19x = 620,779.86 × 161,157.35
  4. Step 4: Simplify right side
    413,933.19x = 100,043,234,067.07
  5. Step 5: Solve for x
    x = 100,043,234,067.07/413,933.19
  6. Step 6: Final answer
    x = 241,689.33

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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.