Home / 300,263.11-414,513.02-172,914.10

Finding the Fourth Proportional to 300,263.11, 414,513.02 and 172,914.10

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Solution

The fourth proportional to 300,263.11, 414,513.02 and 172,914.10 is: 238,707.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,263.11 : 414,513.02 = 172,914.10 : x
  2. Step 2: Convert to fraction form
    300,263.11/414,513.02 = 172,914.10/x
  3. Step 3: Cross multiply
    300,263.11x = 414,513.02 × 172,914.10
  4. Step 4: Simplify right side
    300,263.11x = 71,675,145,791.58
  5. Step 5: Solve for x
    x = 71,675,145,791.58/300,263.11
  6. Step 6: Final answer
    x = 238,707.80

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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.