Home / 154,653.40-231,976.98-49,472.36

Finding the Fourth Proportional to 154,653.40, 231,976.98 and 49,472.36

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Solution

The fourth proportional to 154,653.40, 231,976.98 and 49,472.36 is: 74,207.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,653.40 : 231,976.98 = 49,472.36 : x
  2. Step 2: Convert to fraction form
    154,653.40/231,976.98 = 49,472.36/x
  3. Step 3: Cross multiply
    154,653.40x = 231,976.98 × 49,472.36
  4. Step 4: Simplify right side
    154,653.40x = 11,476,448,666.27
  5. Step 5: Solve for x
    x = 11,476,448,666.27/154,653.40
  6. Step 6: Final answer
    x = 74,207.54

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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.