Home / 133,475.12-184,195.64-73,045.80

Finding the Fourth Proportional to 133,475.12, 184,195.64 and 73,045.80

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Solution

The fourth proportional to 133,475.12, 184,195.64 and 73,045.80 is: 100,803.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,475.12 : 184,195.64 = 73,045.80 : x
  2. Step 2: Convert to fraction form
    133,475.12/184,195.64 = 73,045.80/x
  3. Step 3: Cross multiply
    133,475.12x = 184,195.64 × 73,045.80
  4. Step 4: Simplify right side
    133,475.12x = 13,454,717,880.31
  5. Step 5: Solve for x
    x = 13,454,717,880.31/133,475.12
  6. Step 6: Final answer
    x = 100,803.19

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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.