Home / 180,717.25-249,395.27-100,137.24

Finding the Fourth Proportional to 180,717.25, 249,395.27 and 100,137.24

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Solution

The fourth proportional to 180,717.25, 249,395.27 and 100,137.24 is: 138,192.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,717.25 : 249,395.27 = 100,137.24 : x
  2. Step 2: Convert to fraction form
    180,717.25/249,395.27 = 100,137.24/x
  3. Step 3: Cross multiply
    180,717.25x = 249,395.27 × 100,137.24
  4. Step 4: Simplify right side
    180,717.25x = 24,973,754,006.85
  5. Step 5: Solve for x
    x = 24,973,754,006.85/180,717.25
  6. Step 6: Final answer
    x = 138,192.42

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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.