Home / 185,175.03-255,541.88-100,292.11

Finding the Fourth Proportional to 185,175.03, 255,541.88 and 100,292.11

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Solution

The fourth proportional to 185,175.03, 255,541.88 and 100,292.11 is: 138,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,175.03 : 255,541.88 = 100,292.11 : x
  2. Step 2: Convert to fraction form
    185,175.03/255,541.88 = 100,292.11/x
  3. Step 3: Cross multiply
    185,175.03x = 255,541.88 × 100,292.11
  4. Step 4: Simplify right side
    185,175.03x = 25,628,834,338.57
  5. Step 5: Solve for x
    x = 25,628,834,338.57/185,175.03
  6. Step 6: Final answer
    x = 138,403.30

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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.