Home / 185,709.54-256,490.19-125,175.72

Finding the Fourth Proportional to 185,709.54, 256,490.19 and 125,175.72

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Solution

The fourth proportional to 185,709.54, 256,490.19 and 125,175.72 is: 172,884.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,709.54 : 256,490.19 = 125,175.72 : x
  2. Step 2: Convert to fraction form
    185,709.54/256,490.19 = 125,175.72/x
  3. Step 3: Cross multiply
    185,709.54x = 256,490.19 × 125,175.72
  4. Step 4: Simplify right side
    185,709.54x = 32,106,344,206.19
  5. Step 5: Solve for x
    x = 32,106,344,206.19/185,709.54
  6. Step 6: Final answer
    x = 172,884.73

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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.