Home / 133,415.07-184,114.24-72,984.41

Finding the Fourth Proportional to 133,415.07, 184,114.24 and 72,984.41

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Solution

The fourth proportional to 133,415.07, 184,114.24 and 72,984.41 is: 100,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,415.07 : 184,114.24 = 72,984.41 : x
  2. Step 2: Convert to fraction form
    133,415.07/184,114.24 = 72,984.41/x
  3. Step 3: Cross multiply
    133,415.07x = 184,114.24 × 72,984.41
  4. Step 4: Simplify right side
    133,415.07x = 13,437,469,179.00
  5. Step 5: Solve for x
    x = 13,437,469,179.00/133,415.07
  6. Step 6: Final answer
    x = 100,719.28

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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.