Home / 123,741.49-185,612.24-30,247.09

Finding the Fourth Proportional to 123,741.49, 185,612.24 and 30,247.09

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Solution

The fourth proportional to 123,741.49, 185,612.24 and 30,247.09 is: 45,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,741.49 : 185,612.24 = 30,247.09 : x
  2. Step 2: Convert to fraction form
    123,741.49/185,612.24 = 30,247.09/x
  3. Step 3: Cross multiply
    123,741.49x = 185,612.24 × 30,247.09
  4. Step 4: Simplify right side
    123,741.49x = 5,614,230,128.38
  5. Step 5: Solve for x
    x = 5,614,230,128.38/123,741.49
  6. Step 6: Final answer
    x = 45,370.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.