Home / 313,566.49-432,721.42-170,326.64

Finding the Fourth Proportional to 313,566.49, 432,721.42 and 170,326.64

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Solution

The fourth proportional to 313,566.49, 432,721.42 and 170,326.64 is: 235,050.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,566.49 : 432,721.42 = 170,326.64 : x
  2. Step 2: Convert to fraction form
    313,566.49/432,721.42 = 170,326.64/x
  3. Step 3: Cross multiply
    313,566.49x = 432,721.42 × 170,326.64
  4. Step 4: Simplify right side
    313,566.49x = 73,703,985,524.63
  5. Step 5: Solve for x
    x = 73,703,985,524.63/313,566.49
  6. Step 6: Final answer
    x = 235,050.58

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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.