Home / 165,800.84-248,506.44-76,867.16

Finding the Fourth Proportional to 165,800.84, 248,506.44 and 76,867.16

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Solution

The fourth proportional to 165,800.84, 248,506.44 and 76,867.16 is: 115,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,800.84 : 248,506.44 = 76,867.16 : x
  2. Step 2: Convert to fraction form
    165,800.84/248,506.44 = 76,867.16/x
  3. Step 3: Cross multiply
    165,800.84x = 248,506.44 × 76,867.16
  4. Step 4: Simplify right side
    165,800.84x = 19,101,984,284.51
  5. Step 5: Solve for x
    x = 19,101,984,284.51/165,800.84
  6. Step 6: Final answer
    x = 115,210.42

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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.