Home / 199,389.16-275,139.30-114,498.28

Finding the Fourth Proportional to 199,389.16, 275,139.30 and 114,498.28

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Solution

The fourth proportional to 199,389.16, 275,139.30 and 114,498.28 is: 157,997.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,389.16 : 275,139.30 = 114,498.28 : x
  2. Step 2: Convert to fraction form
    199,389.16/275,139.30 = 114,498.28/x
  3. Step 3: Cross multiply
    199,389.16x = 275,139.30 × 114,498.28
  4. Step 4: Simplify right side
    199,389.16x = 31,502,976,610.40
  5. Step 5: Solve for x
    x = 31,502,976,610.40/199,389.16
  6. Step 6: Final answer
    x = 157,997.44

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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.