Home / 120,529.83-166,339.14-66,817.11

Finding the Fourth Proportional to 120,529.83, 166,339.14 and 66,817.11

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Solution

The fourth proportional to 120,529.83, 166,339.14 and 66,817.11 is: 92,212.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,529.83 : 166,339.14 = 66,817.11 : x
  2. Step 2: Convert to fraction form
    120,529.83/166,339.14 = 66,817.11/x
  3. Step 3: Cross multiply
    120,529.83x = 166,339.14 × 66,817.11
  4. Step 4: Simplify right side
    120,529.83x = 11,114,300,614.69
  5. Step 5: Solve for x
    x = 11,114,300,614.69/120,529.83
  6. Step 6: Final answer
    x = 92,212.03

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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.