Home / 163,336.90-225,389.24-91,700.50

Finding the Fourth Proportional to 163,336.90, 225,389.24 and 91,700.50

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Solution

The fourth proportional to 163,336.90, 225,389.24 and 91,700.50 is: 126,537.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,336.90 : 225,389.24 = 91,700.50 : x
  2. Step 2: Convert to fraction form
    163,336.90/225,389.24 = 91,700.50/x
  3. Step 3: Cross multiply
    163,336.90x = 225,389.24 × 91,700.50
  4. Step 4: Simplify right side
    163,336.90x = 20,668,305,544.12
  5. Step 5: Solve for x
    x = 20,668,305,544.12/163,336.90
  6. Step 6: Final answer
    x = 126,537.88

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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.