Home / 436,296.51-654,425.73-136,770.26

Finding the Fourth Proportional to 436,296.51, 654,425.73 and 136,770.26

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Solution

The fourth proportional to 436,296.51, 654,425.73 and 136,770.26 is: 205,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,296.51 : 654,425.73 = 136,770.26 : x
  2. Step 2: Convert to fraction form
    436,296.51/654,425.73 = 136,770.26/x
  3. Step 3: Cross multiply
    436,296.51x = 654,425.73 × 136,770.26
  4. Step 4: Simplify right side
    436,296.51x = 89,505,973,970.66
  5. Step 5: Solve for x
    x = 89,505,973,970.66/436,296.51
  6. Step 6: Final answer
    x = 205,149.42

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1.5x scale

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.