Home / 163,910.49-245,907.99-89,011.41

Finding the Fourth Proportional to 163,910.49, 245,907.99 and 89,011.41

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Solution

The fourth proportional to 163,910.49, 245,907.99 and 89,011.41 is: 133,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,910.49 : 245,907.99 = 89,011.41 : x
  2. Step 2: Convert to fraction form
    163,910.49/245,907.99 = 89,011.41/x
  3. Step 3: Cross multiply
    163,910.49x = 245,907.99 × 89,011.41
  4. Step 4: Simplify right side
    163,910.49x = 21,888,616,920.17
  5. Step 5: Solve for x
    x = 21,888,616,920.17/163,910.49
  6. Step 6: Final answer
    x = 133,540.06

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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.