Home / 180,825.07-249,538.17-100,250.53

Finding the Fourth Proportional to 180,825.07, 249,538.17 and 100,250.53

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Solution

The fourth proportional to 180,825.07, 249,538.17 and 100,250.53 is: 138,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,825.07 : 249,538.17 = 100,250.53 : x
  2. Step 2: Convert to fraction form
    180,825.07/249,538.17 = 100,250.53/x
  3. Step 3: Cross multiply
    180,825.07x = 249,538.17 × 100,250.53
  4. Step 4: Simplify right side
    180,825.07x = 25,016,333,797.73
  5. Step 5: Solve for x
    x = 25,016,333,797.73/180,825.07
  6. Step 6: Final answer
    x = 138,345.49

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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.