Home / 154,958.52-232,520.81-143,665.40

Finding the Fourth Proportional to 154,958.52, 232,520.81 and 143,665.40

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Solution

The fourth proportional to 154,958.52, 232,520.81 and 143,665.40 is: 215,575.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,958.52 : 232,520.81 = 143,665.40 : x
  2. Step 2: Convert to fraction form
    154,958.52/232,520.81 = 143,665.40/x
  3. Step 3: Cross multiply
    154,958.52x = 232,520.81 × 143,665.40
  4. Step 4: Simplify right side
    154,958.52x = 33,405,195,146.23
  5. Step 5: Solve for x
    x = 33,405,195,146.23/154,958.52
  6. Step 6: Final answer
    x = 215,575.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.