Home / 165,527.74-248,143.95-137,676.28

Finding the Fourth Proportional to 165,527.74, 248,143.95 and 137,676.28

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Solution

The fourth proportional to 165,527.74, 248,143.95 and 137,676.28 is: 206,391.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,527.74 : 248,143.95 = 137,676.28 : x
  2. Step 2: Convert to fraction form
    165,527.74/248,143.95 = 137,676.28/x
  3. Step 3: Cross multiply
    165,527.74x = 248,143.95 × 137,676.28
  4. Step 4: Simplify right side
    165,527.74x = 34,163,535,940.51
  5. Step 5: Solve for x
    x = 34,163,535,940.51/165,527.74
  6. Step 6: Final answer
    x = 206,391.61

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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.