Home / 180,936.54-249,662.52-100,351.26

Finding the Fourth Proportional to 180,936.54, 249,662.52 and 100,351.26

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Solution

The fourth proportional to 180,936.54, 249,662.52 and 100,351.26 is: 138,468.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,936.54 : 249,662.52 = 100,351.26 : x
  2. Step 2: Convert to fraction form
    180,936.54/249,662.52 = 100,351.26/x
  3. Step 3: Cross multiply
    180,936.54x = 249,662.52 × 100,351.26
  4. Step 4: Simplify right side
    180,936.54x = 25,053,948,456.78
  5. Step 5: Solve for x
    x = 25,053,948,456.78/180,936.54
  6. Step 6: Final answer
    x = 138,468.15

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1.5x scale

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.