Home / 166,275.75-229,466.22-90,829.11

Finding the Fourth Proportional to 166,275.75, 229,466.22 and 90,829.11

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Solution

The fourth proportional to 166,275.75, 229,466.22 and 90,829.11 is: 125,347.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,275.75 : 229,466.22 = 90,829.11 : x
  2. Step 2: Convert to fraction form
    166,275.75/229,466.22 = 90,829.11/x
  3. Step 3: Cross multiply
    166,275.75x = 229,466.22 × 90,829.11
  4. Step 4: Simplify right side
    166,275.75x = 20,842,212,537.66
  5. Step 5: Solve for x
    x = 20,842,212,537.66/166,275.75
  6. Step 6: Final answer
    x = 125,347.28

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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.