Home / 133,439.65-184,149.01-73,015.57

Finding the Fourth Proportional to 133,439.65, 184,149.01 and 73,015.57

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Solution

The fourth proportional to 133,439.65, 184,149.01 and 73,015.57 is: 100,762.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,439.65 : 184,149.01 = 73,015.57 : x
  2. Step 2: Convert to fraction form
    133,439.65/184,149.01 = 73,015.57/x
  3. Step 3: Cross multiply
    133,439.65x = 184,149.01 × 73,015.57
  4. Step 4: Simplify right side
    133,439.65x = 13,445,745,251.54
  5. Step 5: Solve for x
    x = 13,445,745,251.54/133,439.65
  6. Step 6: Final answer
    x = 100,762.75

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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.