Home / 324,075.08-447,317.48-188,139.56

Finding the Fourth Proportional to 324,075.08, 447,317.48 and 188,139.56

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Solution

The fourth proportional to 324,075.08, 447,317.48 and 188,139.56 is: 259,687.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,075.08 : 447,317.48 = 188,139.56 : x
  2. Step 2: Convert to fraction form
    324,075.08/447,317.48 = 188,139.56/x
  3. Step 3: Cross multiply
    324,075.08x = 447,317.48 × 188,139.56
  4. Step 4: Simplify right side
    324,075.08x = 84,158,113,867.51
  5. Step 5: Solve for x
    x = 84,158,113,867.51/324,075.08
  6. Step 6: Final answer
    x = 259,687.09

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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.