Home / 229,972.71-345,029.58-117,732.45

Finding the Fourth Proportional to 229,972.71, 345,029.58 and 117,732.45

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Solution

The fourth proportional to 229,972.71, 345,029.58 and 117,732.45 is: 176,634.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,972.71 : 345,029.58 = 117,732.45 : x
  2. Step 2: Convert to fraction form
    229,972.71/345,029.58 = 117,732.45/x
  3. Step 3: Cross multiply
    229,972.71x = 345,029.58 × 117,732.45
  4. Step 4: Simplify right side
    229,972.71x = 40,621,177,775.87
  5. Step 5: Solve for x
    x = 40,621,177,775.87/229,972.71
  6. Step 6: Final answer
    x = 176,634.77

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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.