Home / 163,336.65-225,388.89-91,700.25

Finding the Fourth Proportional to 163,336.65, 225,388.89 and 91,700.25

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Solution

The fourth proportional to 163,336.65, 225,388.89 and 91,700.25 is: 126,537.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,336.65 : 225,388.89 = 91,700.25 : x
  2. Step 2: Convert to fraction form
    163,336.65/225,388.89 = 91,700.25/x
  3. Step 3: Cross multiply
    163,336.65x = 225,388.89 × 91,700.25
  4. Step 4: Simplify right side
    163,336.65x = 20,668,217,560.22
  5. Step 5: Solve for x
    x = 20,668,217,560.22/163,336.65
  6. Step 6: Final answer
    x = 126,537.54

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1.5x scale

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.