Home / 128,082.96-192,120.34-57,962.27

Finding the Fourth Proportional to 128,082.96, 192,120.34 and 57,962.27

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Solution

The fourth proportional to 128,082.96, 192,120.34 and 57,962.27 is: 86,941.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,082.96 : 192,120.34 = 57,962.27 : x
  2. Step 2: Convert to fraction form
    128,082.96/192,120.34 = 57,962.27/x
  3. Step 3: Cross multiply
    128,082.96x = 192,120.34 × 57,962.27
  4. Step 4: Simplify right side
    128,082.96x = 11,135,731,019.57
  5. Step 5: Solve for x
    x = 11,135,731,019.57/128,082.96
  6. Step 6: Final answer
    x = 86,941.55

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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.