Home / 165,826.56-248,545.08-76,892.88

Finding the Fourth Proportional to 165,826.56, 248,545.08 and 76,892.88

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Solution

The fourth proportional to 165,826.56, 248,545.08 and 76,892.88 is: 115,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,826.56 : 248,545.08 = 76,892.88 : x
  2. Step 2: Convert to fraction form
    165,826.56/248,545.08 = 76,892.88/x
  3. Step 3: Cross multiply
    165,826.56x = 248,545.08 × 76,892.88
  4. Step 4: Simplify right side
    165,826.56x = 19,111,347,011.03
  5. Step 5: Solve for x
    x = 19,111,347,011.03/165,826.56
  6. Step 6: Final answer
    x = 115,249.01

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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.