Home / 199,531.84-275,411.52-117,935.68

Finding the Fourth Proportional to 199,531.84, 275,411.52 and 117,935.68

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Solution

The fourth proportional to 199,531.84, 275,411.52 and 117,935.68 is: 162,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,531.84 : 275,411.52 = 117,935.68 : x
  2. Step 2: Convert to fraction form
    199,531.84/275,411.52 = 117,935.68/x
  3. Step 3: Cross multiply
    199,531.84x = 275,411.52 × 117,935.68
  4. Step 4: Simplify right side
    199,531.84x = 32,480,844,891.03
  5. Step 5: Solve for x
    x = 32,480,844,891.03/199,531.84
  6. Step 6: Final answer
    x = 162,785.27

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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.