Home / 165,508.83-248,068.84-76,574.47

Finding the Fourth Proportional to 165,508.83, 248,068.84 and 76,574.47

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Solution

The fourth proportional to 165,508.83, 248,068.84 and 76,574.47 is: 114,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,508.83 : 248,068.84 = 76,574.47 : x
  2. Step 2: Convert to fraction form
    165,508.83/248,068.84 = 76,574.47/x
  3. Step 3: Cross multiply
    165,508.83x = 248,068.84 × 76,574.47
  4. Step 4: Simplify right side
    165,508.83x = 18,995,739,755.08
  5. Step 5: Solve for x
    x = 18,995,739,755.08/165,508.83
  6. Step 6: Final answer
    x = 114,771.76

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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.