Home / 166,298.76-229,491.90-90,847.80

Finding the Fourth Proportional to 166,298.76, 229,491.90 and 90,847.80

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Solution

The fourth proportional to 166,298.76, 229,491.90 and 90,847.80 is: 125,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,298.76 : 229,491.90 = 90,847.80 : x
  2. Step 2: Convert to fraction form
    166,298.76/229,491.90 = 90,847.80/x
  3. Step 3: Cross multiply
    166,298.76x = 229,491.90 × 90,847.80
  4. Step 4: Simplify right side
    166,298.76x = 20,848,834,232.82
  5. Step 5: Solve for x
    x = 20,848,834,232.82/166,298.76
  6. Step 6: Final answer
    x = 125,369.75

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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.