Home / 133,557.07-184,308.78-73,131.43

Finding the Fourth Proportional to 133,557.07, 184,308.78 and 73,131.43

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Solution

The fourth proportional to 133,557.07, 184,308.78 and 73,131.43 is: 100,921.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,557.07 : 184,308.78 = 73,131.43 : x
  2. Step 2: Convert to fraction form
    133,557.07/184,308.78 = 73,131.43/x
  3. Step 3: Cross multiply
    133,557.07x = 184,308.78 × 73,131.43
  4. Step 4: Simplify right side
    133,557.07x = 13,478,764,642.96
  5. Step 5: Solve for x
    x = 13,478,764,642.96/133,557.07
  6. Step 6: Final answer
    x = 100,921.39

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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.