Home / 291,069.36-401,528.74-170,131.64

Finding the Fourth Proportional to 291,069.36, 401,528.74 and 170,131.64

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Solution

The fourth proportional to 291,069.36, 401,528.74 and 170,131.64 is: 234,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,069.36 : 401,528.74 = 170,131.64 : x
  2. Step 2: Convert to fraction form
    291,069.36/401,528.74 = 170,131.64/x
  3. Step 3: Cross multiply
    291,069.36x = 401,528.74 × 170,131.64
  4. Step 4: Simplify right side
    291,069.36x = 68,312,743,043.33
  5. Step 5: Solve for x
    x = 68,312,743,043.33/291,069.36
  6. Step 6: Final answer
    x = 234,695.75

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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.