Home / 163,713.48-225,277.38-136,769.64

Finding the Fourth Proportional to 163,713.48, 225,277.38 and 136,769.64

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Solution

The fourth proportional to 163,713.48, 225,277.38 and 136,769.64 is: 188,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,713.48 : 225,277.38 = 136,769.64 : x
  2. Step 2: Convert to fraction form
    163,713.48/225,277.38 = 136,769.64/x
  3. Step 3: Cross multiply
    163,713.48x = 225,277.38 × 136,769.64
  4. Step 4: Simplify right side
    163,713.48x = 30,811,106,162.74
  5. Step 5: Solve for x
    x = 30,811,106,162.74/163,713.48
  6. Step 6: Final answer
    x = 188,201.40

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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.