Home / 220,467.08-304,245.96-129,827

Finding the Fourth Proportional to 220,467.08, 304,245.96 and 129,827

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Solution

The fourth proportional to 220,467.08, 304,245.96 and 129,827 is: 179,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,467.08 : 304,245.96 = 129,827 : x
  2. Step 2: Convert to fraction form
    220,467.08/304,245.96 = 129,827/x
  3. Step 3: Cross multiply
    220,467.08x = 304,245.96 × 129,827
  4. Step 4: Simplify right side
    220,467.08x = 39,499,340,248.92
  5. Step 5: Solve for x
    x = 39,499,340,248.92/220,467.08
  6. Step 6: Final answer
    x = 179,162.08

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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.