Home / 165,583.96-248,298.18-76,782.04

Finding the Fourth Proportional to 165,583.96, 248,298.18 and 76,782.04

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Solution

The fourth proportional to 165,583.96, 248,298.18 and 76,782.04 is: 115,137.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,583.96 : 248,298.18 = 76,782.04 : x
  2. Step 2: Convert to fraction form
    165,583.96/248,298.18 = 76,782.04/x
  3. Step 3: Cross multiply
    165,583.96x = 248,298.18 × 76,782.04
  4. Step 4: Simplify right side
    165,583.96x = 19,064,840,788.69
  5. Step 5: Solve for x
    x = 19,064,840,788.69/165,583.96
  6. Step 6: Final answer
    x = 115,137.00

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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.