Home / 369,514.96-509,931.40-199,749.09

Finding the Fourth Proportional to 369,514.96, 509,931.40 and 199,749.09

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Solution

The fourth proportional to 369,514.96, 509,931.40 and 199,749.09 is: 275,654.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,514.96 : 509,931.40 = 199,749.09 : x
  2. Step 2: Convert to fraction form
    369,514.96/509,931.40 = 199,749.09/x
  3. Step 3: Cross multiply
    369,514.96x = 509,931.40 × 199,749.09
  4. Step 4: Simplify right side
    369,514.96x = 101,858,333,112.43
  5. Step 5: Solve for x
    x = 101,858,333,112.43/369,514.96
  6. Step 6: Final answer
    x = 275,654.15

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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.