Home / 185,880.10-256,504.98-100,996.96

Finding the Fourth Proportional to 185,880.10, 256,504.98 and 100,996.96

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Solution

The fourth proportional to 185,880.10, 256,504.98 and 100,996.96 is: 139,370.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,880.10 : 256,504.98 = 100,996.96 : x
  2. Step 2: Convert to fraction form
    185,880.10/256,504.98 = 100,996.96/x
  3. Step 3: Cross multiply
    185,880.10x = 256,504.98 × 100,996.96
  4. Step 4: Simplify right side
    185,880.10x = 25,906,223,204.86
  5. Step 5: Solve for x
    x = 25,906,223,204.86/185,880.10
  6. Step 6: Final answer
    x = 139,370.61

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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.