Home / 436,848.39-655,272.86-121,305.33

Finding the Fourth Proportional to 436,848.39, 655,272.86 and 121,305.33

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Solution

The fourth proportional to 436,848.39, 655,272.86 and 121,305.33 is: 181,958.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,848.39 : 655,272.86 = 121,305.33 : x
  2. Step 2: Convert to fraction form
    436,848.39/655,272.86 = 121,305.33/x
  3. Step 3: Cross multiply
    436,848.39x = 655,272.86 × 121,305.33
  4. Step 4: Simplify right side
    436,848.39x = 79,488,089,915.82
  5. Step 5: Solve for x
    x = 79,488,089,915.82/436,848.39
  6. Step 6: Final answer
    x = 181,958.07

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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.