Home / 305,918.93-458,876.57-118,930.43

Finding the Fourth Proportional to 305,918.93, 458,876.57 and 118,930.43

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Solution

The fourth proportional to 305,918.93, 458,876.57 and 118,930.43 is: 178,394.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,918.93 : 458,876.57 = 118,930.43 : x
  2. Step 2: Convert to fraction form
    305,918.93/458,876.57 = 118,930.43/x
  3. Step 3: Cross multiply
    305,918.93x = 458,876.57 × 118,930.43
  4. Step 4: Simplify right side
    305,918.93x = 54,574,386,092.88
  5. Step 5: Solve for x
    x = 54,574,386,092.88/305,918.93
  6. Step 6: Final answer
    x = 178,394.93

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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.