Home / 180,895.14-249,650.62-100,348.61

Finding the Fourth Proportional to 180,895.14, 249,650.62 and 100,348.61

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Solution

The fourth proportional to 180,895.14, 249,650.62 and 100,348.61 is: 138,489.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,895.14 : 249,650.62 = 100,348.61 : x
  2. Step 2: Convert to fraction form
    180,895.14/249,650.62 = 100,348.61/x
  3. Step 3: Cross multiply
    180,895.14x = 249,650.62 × 100,348.61
  4. Step 4: Simplify right side
    180,895.14x = 25,052,092,702.64
  5. Step 5: Solve for x
    x = 25,052,092,702.64/180,895.14
  6. Step 6: Final answer
    x = 138,489.58

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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.