Home / 612,231.82-918,349.75-185,771.27

Finding the Fourth Proportional to 612,231.82, 918,349.75 and 185,771.27

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Solution

The fourth proportional to 612,231.82, 918,349.75 and 185,771.27 is: 278,657.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,231.82 : 918,349.75 = 185,771.27 : x
  2. Step 2: Convert to fraction form
    612,231.82/918,349.75 = 185,771.27/x
  3. Step 3: Cross multiply
    612,231.82x = 918,349.75 × 185,771.27
  4. Step 4: Simplify right side
    612,231.82x = 170,603,001,889.77
  5. Step 5: Solve for x
    x = 170,603,001,889.77/612,231.82
  6. Step 6: Final answer
    x = 278,657.52

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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.