Home / 133,857.50-184,725.81-73,431.23

Finding the Fourth Proportional to 133,857.50, 184,725.81 and 73,431.23

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Solution

The fourth proportional to 133,857.50, 184,725.81 and 73,431.23 is: 101,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,857.50 : 184,725.81 = 73,431.23 : x
  2. Step 2: Convert to fraction form
    133,857.50/184,725.81 = 73,431.23/x
  3. Step 3: Cross multiply
    133,857.50x = 184,725.81 × 73,431.23
  4. Step 4: Simplify right side
    133,857.50x = 13,564,642,517.42
  5. Step 5: Solve for x
    x = 13,564,642,517.42/133,857.50
  6. Step 6: Final answer
    x = 101,336.44

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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.