Home / 185,171.50-255,466.20-136,889.36

Finding the Fourth Proportional to 185,171.50, 255,466.20 and 136,889.36

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Solution

The fourth proportional to 185,171.50, 255,466.20 and 136,889.36 is: 188,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,171.50 : 255,466.20 = 136,889.36 : x
  2. Step 2: Convert to fraction form
    185,171.50/255,466.20 = 136,889.36/x
  3. Step 3: Cross multiply
    185,171.50x = 255,466.20 × 136,889.36
  4. Step 4: Simplify right side
    185,171.50x = 34,970,604,619.63
  5. Step 5: Solve for x
    x = 34,970,604,619.63/185,171.50
  6. Step 6: Final answer
    x = 188,855.22

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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.