Home / 185,551.20-278,326.80-141,264.45

Finding the Fourth Proportional to 185,551.20, 278,326.80 and 141,264.45

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Solution

The fourth proportional to 185,551.20, 278,326.80 and 141,264.45 is: 211,896.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,551.20 : 278,326.80 = 141,264.45 : x
  2. Step 2: Convert to fraction form
    185,551.20/278,326.80 = 141,264.45/x
  3. Step 3: Cross multiply
    185,551.20x = 278,326.80 × 141,264.45
  4. Step 4: Simplify right side
    185,551.20x = 39,317,682,322.26
  5. Step 5: Solve for x
    x = 39,317,682,322.26/185,551.20
  6. Step 6: Final answer
    x = 211,896.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.