Home / 355,286.07-532,938.81-118,620.27

Finding the Fourth Proportional to 355,286.07, 532,938.81 and 118,620.27

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Solution

The fourth proportional to 355,286.07, 532,938.81 and 118,620.27 is: 177,933.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,286.07 : 532,938.81 = 118,620.27 : x
  2. Step 2: Convert to fraction form
    355,286.07/532,938.81 = 118,620.27/x
  3. Step 3: Cross multiply
    355,286.07x = 532,938.81 × 118,620.27
  4. Step 4: Simplify right side
    355,286.07x = 63,217,345,535.68
  5. Step 5: Solve for x
    x = 63,217,345,535.68/355,286.07
  6. Step 6: Final answer
    x = 177,933.65

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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.