Home / 292,648.19-438,940.35-198,483.26

Finding the Fourth Proportional to 292,648.19, 438,940.35 and 198,483.26

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Solution

The fourth proportional to 292,648.19, 438,940.35 and 198,483.26 is: 297,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,648.19 : 438,940.35 = 198,483.26 : x
  2. Step 2: Convert to fraction form
    292,648.19/438,940.35 = 198,483.26/x
  3. Step 3: Cross multiply
    292,648.19x = 438,940.35 × 198,483.26
  4. Step 4: Simplify right side
    292,648.19x = 87,122,309,418.84
  5. Step 5: Solve for x
    x = 87,122,309,418.84/292,648.19
  6. Step 6: Final answer
    x = 297,703.23

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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.