Home / 322,554.32-445,140.15-179,316.75

Finding the Fourth Proportional to 322,554.32, 445,140.15 and 179,316.75

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Solution

The fourth proportional to 322,554.32, 445,140.15 and 179,316.75 is: 247,465.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,554.32 : 445,140.15 = 179,316.75 : x
  2. Step 2: Convert to fraction form
    322,554.32/445,140.15 = 179,316.75/x
  3. Step 3: Cross multiply
    322,554.32x = 445,140.15 × 179,316.75
  4. Step 4: Simplify right side
    322,554.32x = 79,821,084,992.51
  5. Step 5: Solve for x
    x = 79,821,084,992.51/322,554.32
  6. Step 6: Final answer
    x = 247,465.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.