Home / 199,995.95-276,019.79-113,985.85

Finding the Fourth Proportional to 199,995.95, 276,019.79 and 113,985.85

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Solution

The fourth proportional to 199,995.95, 276,019.79 and 113,985.85 is: 157,314.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,995.95 : 276,019.79 = 113,985.85 : x
  2. Step 2: Convert to fraction form
    199,995.95/276,019.79 = 113,985.85/x
  3. Step 3: Cross multiply
    199,995.95x = 276,019.79 × 113,985.85
  4. Step 4: Simplify right side
    199,995.95x = 31,462,349,974.89
  5. Step 5: Solve for x
    x = 31,462,349,974.89/199,995.95
  6. Step 6: Final answer
    x = 157,314.94

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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.