Home / 184,139.80-275,553.60-127,715.20

Finding the Fourth Proportional to 184,139.80, 275,553.60 and 127,715.20

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Solution

The fourth proportional to 184,139.80, 275,553.60 and 127,715.20 is: 191,117.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,139.80 : 275,553.60 = 127,715.20 : x
  2. Step 2: Convert to fraction form
    184,139.80/275,553.60 = 127,715.20/x
  3. Step 3: Cross multiply
    184,139.80x = 275,553.60 × 127,715.20
  4. Step 4: Simplify right side
    184,139.80x = 35,192,383,134.72
  5. Step 5: Solve for x
    x = 35,192,383,134.72/184,139.80
  6. Step 6: Final answer
    x = 191,117.74

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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.