Home / 319,721.42-441,215.61-176,481.50

Finding the Fourth Proportional to 319,721.42, 441,215.61 and 176,481.50

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Solution

The fourth proportional to 319,721.42, 441,215.61 and 176,481.50 is: 243,544.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,721.42 : 441,215.61 = 176,481.50 : x
  2. Step 2: Convert to fraction form
    319,721.42/441,215.61 = 176,481.50/x
  3. Step 3: Cross multiply
    319,721.42x = 441,215.61 × 176,481.50
  4. Step 4: Simplify right side
    319,721.42x = 77,866,389,808.33
  5. Step 5: Solve for x
    x = 77,866,389,808.33/319,721.42
  6. Step 6: Final answer
    x = 243,544.49

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1.5x scale

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.