Home / 305,427.04-421,481.38-169,460.44

Finding the Fourth Proportional to 305,427.04, 421,481.38 and 169,460.44

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Solution

The fourth proportional to 305,427.04, 421,481.38 and 169,460.44 is: 233,851.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,427.04 : 421,481.38 = 169,460.44 : x
  2. Step 2: Convert to fraction form
    305,427.04/421,481.38 = 169,460.44/x
  3. Step 3: Cross multiply
    305,427.04x = 421,481.38 × 169,460.44
  4. Step 4: Simplify right side
    305,427.04x = 71,424,420,106.61
  5. Step 5: Solve for x
    x = 71,424,420,106.61/305,427.04
  6. Step 6: Final answer
    x = 233,851.00

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1.5x scale

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.