Home / 166,313.54-229,512.18-90,862.58

Finding the Fourth Proportional to 166,313.54, 229,512.18 and 90,862.58

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Solution

The fourth proportional to 166,313.54, 229,512.18 and 90,862.58 is: 125,390.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,313.54 : 229,512.18 = 90,862.58 : x
  2. Step 2: Convert to fraction form
    166,313.54/229,512.18 = 90,862.58/x
  3. Step 3: Cross multiply
    166,313.54x = 229,512.18 × 90,862.58
  4. Step 4: Simplify right side
    166,313.54x = 20,854,068,816.22
  5. Step 5: Solve for x
    x = 20,854,068,816.22/166,313.54
  6. Step 6: Final answer
    x = 125,390.08

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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.