Home / 229,985.38-345,048.72-117,744.41

Finding the Fourth Proportional to 229,985.38, 345,048.72 and 117,744.41

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Solution

The fourth proportional to 229,985.38, 345,048.72 and 117,744.41 is: 176,652.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,985.38 : 345,048.72 = 117,744.41 : x
  2. Step 2: Convert to fraction form
    229,985.38/345,048.72 = 117,744.41/x
  3. Step 3: Cross multiply
    229,985.38x = 345,048.72 × 117,744.41
  4. Step 4: Simplify right side
    229,985.38x = 40,627,558,378.74
  5. Step 5: Solve for x
    x = 40,627,558,378.74/229,985.38
  6. Step 6: Final answer
    x = 176,652.79

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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.