Home / 287,563.22-396,838.81-166,776.11

Finding the Fourth Proportional to 287,563.22, 396,838.81 and 166,776.11

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Solution

The fourth proportional to 287,563.22, 396,838.81 and 166,776.11 is: 230,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,563.22 : 396,838.81 = 166,776.11 : x
  2. Step 2: Convert to fraction form
    287,563.22/396,838.81 = 166,776.11/x
  3. Step 3: Cross multiply
    287,563.22x = 396,838.81 × 166,776.11
  4. Step 4: Simplify right side
    287,563.22x = 66,183,233,603.99
  5. Step 5: Solve for x
    x = 66,183,233,603.99/287,563.22
  6. Step 6: Final answer
    x = 230,151.95

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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.