Home / 329,764.37-455,085.14-186,521.54

Finding the Fourth Proportional to 329,764.37, 455,085.14 and 186,521.54

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Solution

The fourth proportional to 329,764.37, 455,085.14 and 186,521.54 is: 257,405.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,764.37 : 455,085.14 = 186,521.54 : x
  2. Step 2: Convert to fraction form
    329,764.37/455,085.14 = 186,521.54/x
  3. Step 3: Cross multiply
    329,764.37x = 455,085.14 × 186,521.54
  4. Step 4: Simplify right side
    329,764.37x = 84,883,177,935.88
  5. Step 5: Solve for x
    x = 84,883,177,935.88/329,764.37
  6. Step 6: Final answer
    x = 257,405.55

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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.