Home / 213,007.41-319,182.69-104,812.59

Finding the Fourth Proportional to 213,007.41, 319,182.69 and 104,812.59

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Solution

The fourth proportional to 213,007.41, 319,182.69 and 104,812.59 is: 157,057.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,007.41 : 319,182.69 = 104,812.59 : x
  2. Step 2: Convert to fraction form
    213,007.41/319,182.69 = 104,812.59/x
  3. Step 3: Cross multiply
    213,007.41x = 319,182.69 × 104,812.59
  4. Step 4: Simplify right side
    213,007.41x = 33,454,364,422.07
  5. Step 5: Solve for x
    x = 33,454,364,422.07/213,007.41
  6. Step 6: Final answer
    x = 157,057.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.