Home / 166,404.60-229,638.30-90,953.10

Finding the Fourth Proportional to 166,404.60, 229,638.30 and 90,953.10

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Solution

The fourth proportional to 166,404.60, 229,638.30 and 90,953.10 is: 125,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,404.60 : 229,638.30 = 90,953.10 : x
  2. Step 2: Convert to fraction form
    166,404.60/229,638.30 = 90,953.10/x
  3. Step 3: Cross multiply
    166,404.60x = 229,638.30 × 90,953.10
  4. Step 4: Simplify right side
    166,404.60x = 20,886,315,263.73
  5. Step 5: Solve for x
    x = 20,886,315,263.73/166,404.60
  6. Step 6: Final answer
    x = 125,515.25

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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.