Home / 165,777.87-248,666.58-76,982.82

Finding the Fourth Proportional to 165,777.87, 248,666.58 and 76,982.82

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Solution

The fourth proportional to 165,777.87, 248,666.58 and 76,982.82 is: 115,474.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,777.87 : 248,666.58 = 76,982.82 : x
  2. Step 2: Convert to fraction form
    165,777.87/248,666.58 = 76,982.82/x
  3. Step 3: Cross multiply
    165,777.87x = 248,666.58 × 76,982.82
  4. Step 4: Simplify right side
    165,777.87x = 19,143,054,568.16
  5. Step 5: Solve for x
    x = 19,143,054,568.16/165,777.87
  6. Step 6: Final answer
    x = 115,474.13

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1.5x scale

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.