Home / 205,073.60-307,322.40-163,025.60

Finding the Fourth Proportional to 205,073.60, 307,322.40 and 163,025.60

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Solution

The fourth proportional to 205,073.60, 307,322.40 and 163,025.60 is: 244,309.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,073.60 : 307,322.40 = 163,025.60 : x
  2. Step 2: Convert to fraction form
    205,073.60/307,322.40 = 163,025.60/x
  3. Step 3: Cross multiply
    205,073.60x = 307,322.40 × 163,025.60
  4. Step 4: Simplify right side
    205,073.60x = 50,101,418,653.44
  5. Step 5: Solve for x
    x = 50,101,418,653.44/205,073.60
  6. Step 6: Final answer
    x = 244,309.45

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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.