Home / 329,809.36-455,137.06-186,566.35

Finding the Fourth Proportional to 329,809.36, 455,137.06 and 186,566.35

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Solution

The fourth proportional to 329,809.36, 455,137.06 and 186,566.35 is: 257,461.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,809.36 : 455,137.06 = 186,566.35 : x
  2. Step 2: Convert to fraction form
    329,809.36/455,137.06 = 186,566.35/x
  3. Step 3: Cross multiply
    329,809.36x = 455,137.06 × 186,566.35
  4. Step 4: Simplify right side
    329,809.36x = 84,913,257,291.83
  5. Step 5: Solve for x
    x = 84,913,257,291.83/329,809.36
  6. Step 6: Final answer
    x = 257,461.64

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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.