Home / 185,322.78-255,746.70-100,441.26

Finding the Fourth Proportional to 185,322.78, 255,746.70 and 100,441.26

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Solution

The fourth proportional to 185,322.78, 255,746.70 and 100,441.26 is: 138,609.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,322.78 : 255,746.70 = 100,441.26 : x
  2. Step 2: Convert to fraction form
    185,322.78/255,746.70 = 100,441.26/x
  3. Step 3: Cross multiply
    185,322.78x = 255,746.70 × 100,441.26
  4. Step 4: Simplify right side
    185,322.78x = 25,687,520,788.84
  5. Step 5: Solve for x
    x = 25,687,520,788.84/185,322.78
  6. Step 6: Final answer
    x = 138,609.62

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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.