Home / 199,750.30-275,663.64-114,867.36

Finding the Fourth Proportional to 199,750.30, 275,663.64 and 114,867.36

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Solution

The fourth proportional to 199,750.30, 275,663.64 and 114,867.36 is: 158,521.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,750.30 : 275,663.64 = 114,867.36 : x
  2. Step 2: Convert to fraction form
    199,750.30/275,663.64 = 114,867.36/x
  3. Step 3: Cross multiply
    199,750.30x = 275,663.64 × 114,867.36
  4. Step 4: Simplify right side
    199,750.30x = 31,664,754,000.45
  5. Step 5: Solve for x
    x = 31,664,754,000.45/199,750.30
  6. Step 6: Final answer
    x = 158,521.69

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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.