Home / 123,193.08-184,942.68-85,989.76

Finding the Fourth Proportional to 123,193.08, 184,942.68 and 85,989.76

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Solution

The fourth proportional to 123,193.08, 184,942.68 and 85,989.76 is: 129,091.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,193.08 : 184,942.68 = 85,989.76 : x
  2. Step 2: Convert to fraction form
    123,193.08/184,942.68 = 85,989.76/x
  3. Step 3: Cross multiply
    123,193.08x = 184,942.68 × 85,989.76
  4. Step 4: Simplify right side
    123,193.08x = 15,903,176,666.96
  5. Step 5: Solve for x
    x = 15,903,176,666.96/123,193.08
  6. Step 6: Final answer
    x = 129,091.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.