Home / 300,272.23-414,525.63-172,923.22

Finding the Fourth Proportional to 300,272.23, 414,525.63 and 172,923.22

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Solution

The fourth proportional to 300,272.23, 414,525.63 and 172,923.22 is: 238,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,272.23 : 414,525.63 = 172,923.22 : x
  2. Step 2: Convert to fraction form
    300,272.23/414,525.63 = 172,923.22/x
  3. Step 3: Cross multiply
    300,272.23x = 414,525.63 × 172,923.22
  4. Step 4: Simplify right side
    300,272.23x = 71,681,106,712.13
  5. Step 5: Solve for x
    x = 71,681,106,712.13/300,272.23
  6. Step 6: Final answer
    x = 238,720.40

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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.