Home / 185,400.18-255,852.54-100,517.46

Finding the Fourth Proportional to 185,400.18, 255,852.54 and 100,517.46

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Solution

The fourth proportional to 185,400.18, 255,852.54 and 100,517.46 is: 138,714.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,400.18 : 255,852.54 = 100,517.46 : x
  2. Step 2: Convert to fraction form
    185,400.18/255,852.54 = 100,517.46/x
  3. Step 3: Cross multiply
    185,400.18x = 255,852.54 × 100,517.46
  4. Step 4: Simplify right side
    185,400.18x = 25,717,647,455.35
  5. Step 5: Solve for x
    x = 25,717,647,455.35/185,400.18
  6. Step 6: Final answer
    x = 138,714.25

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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.