Home / 329,743.24-455,042.64-186,531.28

Finding the Fourth Proportional to 329,743.24, 455,042.64 and 186,531.28

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Solution

The fourth proportional to 329,743.24, 455,042.64 and 186,531.28 is: 257,411.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,743.24 : 455,042.64 = 186,531.28 : x
  2. Step 2: Convert to fraction form
    329,743.24/455,042.64 = 186,531.28/x
  3. Step 3: Cross multiply
    329,743.24x = 455,042.64 × 186,531.28
  4. Step 4: Simplify right side
    329,743.24x = 84,879,686,093.78
  5. Step 5: Solve for x
    x = 84,879,686,093.78/329,743.24
  6. Step 6: Final answer
    x = 257,411.45

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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.