Home / 133,434.43-184,109.37-79,708.93

Finding the Fourth Proportional to 133,434.43, 184,109.37 and 79,708.93

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Solution

The fourth proportional to 133,434.43, 184,109.37 and 79,708.93 is: 109,980.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,434.43 : 184,109.37 = 79,708.93 : x
  2. Step 2: Convert to fraction form
    133,434.43/184,109.37 = 79,708.93/x
  3. Step 3: Cross multiply
    133,434.43x = 184,109.37 × 79,708.93
  4. Step 4: Simplify right side
    133,434.43x = 14,675,160,885.67
  5. Step 5: Solve for x
    x = 14,675,160,885.67/133,434.43
  6. Step 6: Final answer
    x = 109,980.32

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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.