Home / 223,335.77-308,215.18-126,558.39

Finding the Fourth Proportional to 223,335.77, 308,215.18 and 126,558.39

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Solution

The fourth proportional to 223,335.77, 308,215.18 and 126,558.39 is: 174,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,335.77 : 308,215.18 = 126,558.39 : x
  2. Step 2: Convert to fraction form
    223,335.77/308,215.18 = 126,558.39/x
  3. Step 3: Cross multiply
    223,335.77x = 308,215.18 × 126,558.39
  4. Step 4: Simplify right side
    223,335.77x = 39,007,216,954.36
  5. Step 5: Solve for x
    x = 39,007,216,954.36/223,335.77
  6. Step 6: Final answer
    x = 174,657.27

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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.