Home / 213,609.08-294,779.75-120,467.41

Finding the Fourth Proportional to 213,609.08, 294,779.75 and 120,467.41

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Solution

The fourth proportional to 213,609.08, 294,779.75 and 120,467.41 is: 166,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,609.08 : 294,779.75 = 120,467.41 : x
  2. Step 2: Convert to fraction form
    213,609.08/294,779.75 = 120,467.41/x
  3. Step 3: Cross multiply
    213,609.08x = 294,779.75 × 120,467.41
  4. Step 4: Simplify right side
    213,609.08x = 35,511,351,663.66
  5. Step 5: Solve for x
    x = 35,511,351,663.66/213,609.08
  6. Step 6: Final answer
    x = 166,244.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.