Home / 180,935.58-249,689.25-100,361.04

Finding the Fourth Proportional to 180,935.58, 249,689.25 and 100,361.04

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Solution

The fourth proportional to 180,935.58, 249,689.25 and 100,361.04 is: 138,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,935.58 : 249,689.25 = 100,361.04 : x
  2. Step 2: Convert to fraction form
    180,935.58/249,689.25 = 100,361.04/x
  3. Step 3: Cross multiply
    180,935.58x = 249,689.25 × 100,361.04
  4. Step 4: Simplify right side
    180,935.58x = 25,059,072,806.82
  5. Step 5: Solve for x
    x = 25,059,072,806.82/180,935.58
  6. Step 6: Final answer
    x = 138,497.21

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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.