Home / 273,867.52-377,930.21-153,009.71

Finding the Fourth Proportional to 273,867.52, 377,930.21 and 153,009.71

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Solution

The fourth proportional to 273,867.52, 377,930.21 and 153,009.71 is: 211,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,867.52 : 377,930.21 = 153,009.71 : x
  2. Step 2: Convert to fraction form
    273,867.52/377,930.21 = 153,009.71/x
  3. Step 3: Cross multiply
    273,867.52x = 377,930.21 × 153,009.71
  4. Step 4: Simplify right side
    273,867.52x = 57,826,992,189.27
  5. Step 5: Solve for x
    x = 57,826,992,189.27/273,867.52
  6. Step 6: Final answer
    x = 211,149.51

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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.