Home / 185,205.42-255,583.49-100,322.48

Finding the Fourth Proportional to 185,205.42, 255,583.49 and 100,322.48

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Solution

The fourth proportional to 185,205.42, 255,583.49 and 100,322.48 is: 138,445.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,205.42 : 255,583.49 = 100,322.48 : x
  2. Step 2: Convert to fraction form
    185,205.42/255,583.49 = 100,322.48/x
  3. Step 3: Cross multiply
    185,205.42x = 255,583.49 × 100,322.48
  4. Step 4: Simplify right side
    185,205.42x = 25,640,769,701.20
  5. Step 5: Solve for x
    x = 25,640,769,701.20/185,205.42
  6. Step 6: Final answer
    x = 138,445.03

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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.