Home / 292,734.45-403,963.20-165,407.31

Finding the Fourth Proportional to 292,734.45, 403,963.20 and 165,407.31

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Solution

The fourth proportional to 292,734.45, 403,963.20 and 165,407.31 is: 228,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,734.45 : 403,963.20 = 165,407.31 : x
  2. Step 2: Convert to fraction form
    292,734.45/403,963.20 = 165,407.31/x
  3. Step 3: Cross multiply
    292,734.45x = 403,963.20 × 165,407.31
  4. Step 4: Simplify right side
    292,734.45x = 66,818,466,250.99
  5. Step 5: Solve for x
    x = 66,818,466,250.99/292,734.45
  6. Step 6: Final answer
    x = 228,256.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.