Home / 183,939.78-253,828.72-107,465.95

Finding the Fourth Proportional to 183,939.78, 253,828.72 and 107,465.95

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Solution

The fourth proportional to 183,939.78, 253,828.72 and 107,465.95 is: 148,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,939.78 : 253,828.72 = 107,465.95 : x
  2. Step 2: Convert to fraction form
    183,939.78/253,828.72 = 107,465.95/x
  3. Step 3: Cross multiply
    183,939.78x = 253,828.72 × 107,465.95
  4. Step 4: Simplify right side
    183,939.78x = 27,277,944,532.08
  5. Step 5: Solve for x
    x = 27,277,944,532.08/183,939.78
  6. Step 6: Final answer
    x = 148,298.23

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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.