Home / 137,021.04-205,531.65-37,181.25

Finding the Fourth Proportional to 137,021.04, 205,531.65 and 37,181.25

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Solution

The fourth proportional to 137,021.04, 205,531.65 and 37,181.25 is: 55,771.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,021.04 : 205,531.65 = 37,181.25 : x
  2. Step 2: Convert to fraction form
    137,021.04/205,531.65 = 37,181.25/x
  3. Step 3: Cross multiply
    137,021.04x = 205,531.65 × 37,181.25
  4. Step 4: Simplify right side
    137,021.04x = 7,641,923,661.56
  5. Step 5: Solve for x
    x = 7,641,923,661.56/137,021.04
  6. Step 6: Final answer
    x = 55,771.90

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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.