Home / 219,057.08-302,159.58-143,610.44

Finding the Fourth Proportional to 219,057.08, 302,159.58 and 143,610.44

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Solution

The fourth proportional to 219,057.08, 302,159.58 and 143,610.44 is: 198,091.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,057.08 : 302,159.58 = 143,610.44 : x
  2. Step 2: Convert to fraction form
    219,057.08/302,159.58 = 143,610.44/x
  3. Step 3: Cross multiply
    219,057.08x = 302,159.58 × 143,610.44
  4. Step 4: Simplify right side
    219,057.08x = 43,393,270,234.02
  5. Step 5: Solve for x
    x = 43,393,270,234.02/219,057.08
  6. Step 6: Final answer
    x = 198,091.16

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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.