Home / 180,817.76-249,519.22-100,244.43

Finding the Fourth Proportional to 180,817.76, 249,519.22 and 100,244.43

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Solution

The fourth proportional to 180,817.76, 249,519.22 and 100,244.43 is: 138,332.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,817.76 : 249,519.22 = 100,244.43 : x
  2. Step 2: Convert to fraction form
    180,817.76/249,519.22 = 100,244.43/x
  3. Step 3: Cross multiply
    180,817.76x = 249,519.22 × 100,244.43
  4. Step 4: Simplify right side
    180,817.76x = 25,012,911,732.33
  5. Step 5: Solve for x
    x = 25,012,911,732.33/180,817.76
  6. Step 6: Final answer
    x = 138,332.16

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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.