Home / 185,276.79-255,587.67-117,179.28

Finding the Fourth Proportional to 185,276.79, 255,587.67 and 117,179.28

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Solution

The fourth proportional to 185,276.79, 255,587.67 and 117,179.28 is: 161,647.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,276.79 : 255,587.67 = 117,179.28 : x
  2. Step 2: Convert to fraction form
    185,276.79/255,587.67 = 117,179.28/x
  3. Step 3: Cross multiply
    185,276.79x = 255,587.67 × 117,179.28
  4. Step 4: Simplify right side
    185,276.79x = 29,949,579,147.48
  5. Step 5: Solve for x
    x = 29,949,579,147.48/185,276.79
  6. Step 6: Final answer
    x = 161,647.77

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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.