Home / 185,258.72-255,623.39-103,588.45

Finding the Fourth Proportional to 185,258.72, 255,623.39 and 103,588.45

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Solution

The fourth proportional to 185,258.72, 255,623.39 and 103,588.45 is: 142,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,258.72 : 255,623.39 = 103,588.45 : x
  2. Step 2: Convert to fraction form
    185,258.72/255,623.39 = 103,588.45/x
  3. Step 3: Cross multiply
    185,258.72x = 255,623.39 × 103,588.45
  4. Step 4: Simplify right side
    185,258.72x = 26,479,631,466.66
  5. Step 5: Solve for x
    x = 26,479,631,466.66/185,258.72
  6. Step 6: Final answer
    x = 142,933.25

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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.