Home / 165,506.95-248,066.01-76,572.61

Finding the Fourth Proportional to 165,506.95, 248,066.01 and 76,572.61

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Solution

The fourth proportional to 165,506.95, 248,066.01 and 76,572.61 is: 114,768.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,506.95 : 248,066.01 = 76,572.61 : x
  2. Step 2: Convert to fraction form
    165,506.95/248,066.01 = 76,572.61/x
  3. Step 3: Cross multiply
    165,506.95x = 248,066.01 × 76,572.61
  4. Step 4: Simplify right side
    165,506.95x = 18,995,061,837.99
  5. Step 5: Solve for x
    x = 18,995,061,837.99/165,506.95
  6. Step 6: Final answer
    x = 114,768.97

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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.