Home / 243,072.00-335,439.43-134,176.40

Finding the Fourth Proportional to 243,072.00, 335,439.43 and 134,176.40

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Solution

The fourth proportional to 243,072.00, 335,439.43 and 134,176.40 is: 185,163.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,072.00 : 335,439.43 = 134,176.40 : x
  2. Step 2: Convert to fraction form
    243,072.00/335,439.43 = 134,176.40/x
  3. Step 3: Cross multiply
    243,072.00x = 335,439.43 × 134,176.40
  4. Step 4: Simplify right side
    243,072.00x = 45,008,056,267.56
  5. Step 5: Solve for x
    x = 45,008,056,267.56/243,072.00
  6. Step 6: Final answer
    x = 185,163.47

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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.