Home / 165,795.80-248,693.70-136,271.30

Finding the Fourth Proportional to 165,795.80, 248,693.70 and 136,271.30

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Solution

The fourth proportional to 165,795.80, 248,693.70 and 136,271.30 is: 204,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,795.80 : 248,693.70 = 136,271.30 : x
  2. Step 2: Convert to fraction form
    165,795.80/248,693.70 = 136,271.30/x
  3. Step 3: Cross multiply
    165,795.80x = 248,693.70 × 136,271.30
  4. Step 4: Simplify right side
    165,795.80x = 33,889,813,800.81
  5. Step 5: Solve for x
    x = 33,889,813,800.81/165,795.80
  6. Step 6: Final answer
    x = 204,406.95

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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.