Home / 185,123.61-277,698.38-91,604.25

Finding the Fourth Proportional to 185,123.61, 277,698.38 and 91,604.25

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Solution

The fourth proportional to 185,123.61, 277,698.38 and 91,604.25 is: 137,412.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,123.61 : 277,698.38 = 91,604.25 : x
  2. Step 2: Convert to fraction form
    185,123.61/277,698.38 = 91,604.25/x
  3. Step 3: Cross multiply
    185,123.61x = 277,698.38 × 91,604.25
  4. Step 4: Simplify right side
    185,123.61x = 25,438,351,368.09
  5. Step 5: Solve for x
    x = 25,438,351,368.09/185,123.61
  6. Step 6: Final answer
    x = 137,412.79

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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.