Home / 185,076.63-255,406.58-100,193.69

Finding the Fourth Proportional to 185,076.63, 255,406.58 and 100,193.69

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Solution

The fourth proportional to 185,076.63, 255,406.58 and 100,193.69 is: 138,267.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,076.63 : 255,406.58 = 100,193.69 : x
  2. Step 2: Convert to fraction form
    185,076.63/255,406.58 = 100,193.69/x
  3. Step 3: Cross multiply
    185,076.63x = 255,406.58 × 100,193.69
  4. Step 4: Simplify right side
    185,076.63x = 25,590,125,922.48
  5. Step 5: Solve for x
    x = 25,590,125,922.48/185,076.63
  6. Step 6: Final answer
    x = 138,267.73

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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.