Home / 213,733.69-320,710.79-93,874.70

Finding the Fourth Proportional to 213,733.69, 320,710.79 and 93,874.70

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Solution

The fourth proportional to 213,733.69, 320,710.79 and 93,874.70 is: 140,860.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,733.69 : 320,710.79 = 93,874.70 : x
  2. Step 2: Convert to fraction form
    213,733.69/320,710.79 = 93,874.70/x
  3. Step 3: Cross multiply
    213,733.69x = 320,710.79 × 93,874.70
  4. Step 4: Simplify right side
    213,733.69x = 30,106,628,430.48
  5. Step 5: Solve for x
    x = 30,106,628,430.48/213,733.69
  6. Step 6: Final answer
    x = 140,860.47

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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.