Home / 133,644.16-184,301.68-79,920.64

Finding the Fourth Proportional to 133,644.16, 184,301.68 and 79,920.64

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Solution

The fourth proportional to 133,644.16, 184,301.68 and 79,920.64 is: 110,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,644.16 : 184,301.68 = 79,920.64 : x
  2. Step 2: Convert to fraction form
    133,644.16/184,301.68 = 79,920.64/x
  3. Step 3: Cross multiply
    133,644.16x = 184,301.68 × 79,920.64
  4. Step 4: Simplify right side
    133,644.16x = 14,729,508,218.68
  5. Step 5: Solve for x
    x = 14,729,508,218.68/133,644.16
  6. Step 6: Final answer
    x = 110,214.38

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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.