Home / 166,325.76-229,529.16-90,874.80

Finding the Fourth Proportional to 166,325.76, 229,529.16 and 90,874.80

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Solution

The fourth proportional to 166,325.76, 229,529.16 and 90,874.80 is: 125,407.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,325.76 : 229,529.16 = 90,874.80 : x
  2. Step 2: Convert to fraction form
    166,325.76/229,529.16 = 90,874.80/x
  3. Step 3: Cross multiply
    166,325.76x = 229,529.16 × 90,874.80
  4. Step 4: Simplify right side
    166,325.76x = 20,858,416,509.17
  5. Step 5: Solve for x
    x = 20,858,416,509.17/166,325.76
  6. Step 6: Final answer
    x = 125,407.01

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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.