Home / 292,021.50-402,989.48-164,696.80

Finding the Fourth Proportional to 292,021.50, 402,989.48 and 164,696.80

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Solution

The fourth proportional to 292,021.50, 402,989.48 and 164,696.80 is: 227,281.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,021.50 : 402,989.48 = 164,696.80 : x
  2. Step 2: Convert to fraction form
    292,021.50/402,989.48 = 164,696.80/x
  3. Step 3: Cross multiply
    292,021.50x = 402,989.48 × 164,696.80
  4. Step 4: Simplify right side
    292,021.50x = 66,371,077,789.66
  5. Step 5: Solve for x
    x = 66,371,077,789.66/292,021.50
  6. Step 6: Final answer
    x = 227,281.48

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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.