Home / 658,495.81-987,743.46-185,181.15

Finding the Fourth Proportional to 658,495.81, 987,743.46 and 185,181.15

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Solution

The fourth proportional to 658,495.81, 987,743.46 and 185,181.15 is: 277,771.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,495.81 : 987,743.46 = 185,181.15 : x
  2. Step 2: Convert to fraction form
    658,495.81/987,743.46 = 185,181.15/x
  3. Step 3: Cross multiply
    658,495.81x = 987,743.46 × 185,181.15
  4. Step 4: Simplify right side
    658,495.81x = 182,911,469,827.78
  5. Step 5: Solve for x
    x = 182,911,469,827.78/658,495.81
  6. Step 6: Final answer
    x = 277,771.65

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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.