Home / 199,983.88-276,047.28-115,134.76

Finding the Fourth Proportional to 199,983.88, 276,047.28 and 115,134.76

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Solution

The fourth proportional to 199,983.88, 276,047.28 and 115,134.76 is: 158,926.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,983.88 : 276,047.28 = 115,134.76 : x
  2. Step 2: Convert to fraction form
    199,983.88/276,047.28 = 115,134.76/x
  3. Step 3: Cross multiply
    199,983.88x = 276,047.28 × 115,134.76
  4. Step 4: Simplify right side
    199,983.88x = 31,782,637,331.45
  5. Step 5: Solve for x
    x = 31,782,637,331.45/199,983.88
  6. Step 6: Final answer
    x = 158,926.00

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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.