Home / 123,733.80-185,603.58-30,240.36

Finding the Fourth Proportional to 123,733.80, 185,603.58 and 30,240.36

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Solution

The fourth proportional to 123,733.80, 185,603.58 and 30,240.36 is: 45,361.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,733.80 : 185,603.58 = 30,240.36 : x
  2. Step 2: Convert to fraction form
    123,733.80/185,603.58 = 30,240.36/x
  3. Step 3: Cross multiply
    123,733.80x = 185,603.58 × 30,240.36
  4. Step 4: Simplify right side
    123,733.80x = 5,612,719,076.49
  5. Step 5: Solve for x
    x = 5,612,719,076.49/123,733.80
  6. Step 6: Final answer
    x = 45,361.24

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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.