Home / 185,651.45-256,195.06-100,768.51

Finding the Fourth Proportional to 185,651.45, 256,195.06 and 100,768.51

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Solution

The fourth proportional to 185,651.45, 256,195.06 and 100,768.51 is: 139,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,651.45 : 256,195.06 = 100,768.51 : x
  2. Step 2: Convert to fraction form
    185,651.45/256,195.06 = 100,768.51/x
  3. Step 3: Cross multiply
    185,651.45x = 256,195.06 × 100,768.51
  4. Step 4: Simplify right side
    185,651.45x = 25,816,393,573.15
  5. Step 5: Solve for x
    x = 25,816,393,573.15/185,651.45
  6. Step 6: Final answer
    x = 139,058.40

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1.5x scale

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.