Home / 134,415.21-185,491.53-73,984.56

Finding the Fourth Proportional to 134,415.21, 185,491.53 and 73,984.56

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Solution

The fourth proportional to 134,415.21, 185,491.53 and 73,984.56 is: 102,097.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,415.21 : 185,491.53 = 73,984.56 : x
  2. Step 2: Convert to fraction form
    134,415.21/185,491.53 = 73,984.56/x
  3. Step 3: Cross multiply
    134,415.21x = 185,491.53 × 73,984.56
  4. Step 4: Simplify right side
    134,415.21x = 13,723,509,230.78
  5. Step 5: Solve for x
    x = 13,723,509,230.78/134,415.21
  6. Step 6: Final answer
    x = 102,097.89

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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.