Home / 185,257.54-255,653.73-100,374.34

Finding the Fourth Proportional to 185,257.54, 255,653.73 and 100,374.34

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Solution

The fourth proportional to 185,257.54, 255,653.73 and 100,374.34 is: 138,515.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,257.54 : 255,653.73 = 100,374.34 : x
  2. Step 2: Convert to fraction form
    185,257.54/255,653.73 = 100,374.34/x
  3. Step 3: Cross multiply
    185,257.54x = 255,653.73 × 100,374.34
  4. Step 4: Simplify right side
    185,257.54x = 25,661,074,417.29
  5. Step 5: Solve for x
    x = 25,661,074,417.29/185,257.54
  6. Step 6: Final answer
    x = 138,515.68

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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.