Home / 185,701.37-256,270.70-100,818.43

Finding the Fourth Proportional to 185,701.37, 256,270.70 and 100,818.43

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Solution

The fourth proportional to 185,701.37, 256,270.70 and 100,818.43 is: 139,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,701.37 : 256,270.70 = 100,818.43 : x
  2. Step 2: Convert to fraction form
    185,701.37/256,270.70 = 100,818.43/x
  3. Step 3: Cross multiply
    185,701.37x = 256,270.70 × 100,818.43
  4. Step 4: Simplify right side
    185,701.37x = 25,836,809,240.37
  5. Step 5: Solve for x
    x = 25,836,809,240.37/185,701.37
  6. Step 6: Final answer
    x = 139,130.96

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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.