Home / 415,150.50-622,726.35-115,631.94

Finding the Fourth Proportional to 415,150.50, 622,726.35 and 115,631.94

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Solution

The fourth proportional to 415,150.50, 622,726.35 and 115,631.94 is: 173,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,150.50 : 622,726.35 = 115,631.94 : x
  2. Step 2: Convert to fraction form
    415,150.50/622,726.35 = 115,631.94/x
  3. Step 3: Cross multiply
    415,150.50x = 622,726.35 × 115,631.94
  4. Step 4: Simplify right side
    415,150.50x = 72,007,055,939.62
  5. Step 5: Solve for x
    x = 72,007,055,939.62/415,150.50
  6. Step 6: Final answer
    x = 173,448.08

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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.