Home / 166,093.13-229,208.72-90,641.63

Finding the Fourth Proportional to 166,093.13, 229,208.72 and 90,641.63

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Solution

The fourth proportional to 166,093.13, 229,208.72 and 90,641.63 is: 125,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,093.13 : 229,208.72 = 90,641.63 : x
  2. Step 2: Convert to fraction form
    166,093.13/229,208.72 = 90,641.63/x
  3. Step 3: Cross multiply
    166,093.13x = 229,208.72 × 90,641.63
  4. Step 4: Simplify right side
    166,093.13x = 20,775,850,391.76
  5. Step 5: Solve for x
    x = 20,775,850,391.76/166,093.13
  6. Step 6: Final answer
    x = 125,085.55

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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.