Home / 305,582.66-421,696.02-169,616.24

Finding the Fourth Proportional to 305,582.66, 421,696.02 and 169,616.24

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Solution

The fourth proportional to 305,582.66, 421,696.02 and 169,616.24 is: 234,065.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,582.66 : 421,696.02 = 169,616.24 : x
  2. Step 2: Convert to fraction form
    305,582.66/421,696.02 = 169,616.24/x
  3. Step 3: Cross multiply
    305,582.66x = 421,696.02 × 169,616.24
  4. Step 4: Simplify right side
    305,582.66x = 71,526,493,335.36
  5. Step 5: Solve for x
    x = 71,526,493,335.36/305,582.66
  6. Step 6: Final answer
    x = 234,065.94

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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.