Home / 117,009.55-175,514.33-109,628.43

Finding the Fourth Proportional to 117,009.55, 175,514.33 and 109,628.43

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Solution

The fourth proportional to 117,009.55, 175,514.33 and 109,628.43 is: 164,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,009.55 : 175,514.33 = 109,628.43 : x
  2. Step 2: Convert to fraction form
    117,009.55/175,514.33 = 109,628.43/x
  3. Step 3: Cross multiply
    117,009.55x = 175,514.33 × 109,628.43
  4. Step 4: Simplify right side
    117,009.55x = 19,241,360,440.40
  5. Step 5: Solve for x
    x = 19,241,360,440.40/117,009.55
  6. Step 6: Final answer
    x = 164,442.65

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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.