Home / 276,733.15-415,100.03-77,053.97

Finding the Fourth Proportional to 276,733.15, 415,100.03 and 77,053.97

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Solution

The fourth proportional to 276,733.15, 415,100.03 and 77,053.97 is: 115,581.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,733.15 : 415,100.03 = 77,053.97 : x
  2. Step 2: Convert to fraction form
    276,733.15/415,100.03 = 77,053.97/x
  3. Step 3: Cross multiply
    276,733.15x = 415,100.03 × 77,053.97
  4. Step 4: Simplify right side
    276,733.15x = 31,985,105,911.10
  5. Step 5: Solve for x
    x = 31,985,105,911.10/276,733.15
  6. Step 6: Final answer
    x = 115,581.04

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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.