Home / 290,985.39-436,584.69-122,548.11

Finding the Fourth Proportional to 290,985.39, 436,584.69 and 122,548.11

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Solution

The fourth proportional to 290,985.39, 436,584.69 and 122,548.11 is: 183,867.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,985.39 : 436,584.69 = 122,548.11 : x
  2. Step 2: Convert to fraction form
    290,985.39/436,584.69 = 122,548.11/x
  3. Step 3: Cross multiply
    290,985.39x = 436,584.69 × 122,548.11
  4. Step 4: Simplify right side
    290,985.39x = 53,502,628,614.44
  5. Step 5: Solve for x
    x = 53,502,628,614.44/290,985.39
  6. Step 6: Final answer
    x = 183,867.06

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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.