Home / 199,303.02-274,882.64-127,689.75

Finding the Fourth Proportional to 199,303.02, 274,882.64 and 127,689.75

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Solution

The fourth proportional to 199,303.02, 274,882.64 and 127,689.75 is: 176,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,303.02 : 274,882.64 = 127,689.75 : x
  2. Step 2: Convert to fraction form
    199,303.02/274,882.64 = 127,689.75/x
  3. Step 3: Cross multiply
    199,303.02x = 274,882.64 × 127,689.75
  4. Step 4: Simplify right side
    199,303.02x = 35,099,694,525.75
  5. Step 5: Solve for x
    x = 35,099,694,525.75/199,303.02
  6. Step 6: Final answer
    x = 176,112.21

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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.