Home / 180,671.10-249,315.27-100,092.79

Finding the Fourth Proportional to 180,671.10, 249,315.27 and 100,092.79

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Solution

The fourth proportional to 180,671.10, 249,315.27 and 100,092.79 is: 138,122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,671.10 : 249,315.27 = 100,092.79 : x
  2. Step 2: Convert to fraction form
    180,671.10/249,315.27 = 100,092.79/x
  3. Step 3: Cross multiply
    180,671.10x = 249,315.27 × 100,092.79
  4. Step 4: Simplify right side
    180,671.10x = 24,954,660,963.90
  5. Step 5: Solve for x
    x = 24,954,660,963.90/180,671.10
  6. Step 6: Final answer
    x = 138,122.04

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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.