Home / 132,877.26-183,372.05-72,447.41

Finding the Fourth Proportional to 132,877.26, 183,372.05 and 72,447.41

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Solution

The fourth proportional to 132,877.26, 183,372.05 and 72,447.41 is: 99,978.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,877.26 : 183,372.05 = 72,447.41 : x
  2. Step 2: Convert to fraction form
    132,877.26/183,372.05 = 72,447.41/x
  3. Step 3: Cross multiply
    132,877.26x = 183,372.05 × 72,447.41
  4. Step 4: Simplify right side
    132,877.26x = 13,284,830,728.44
  5. Step 5: Solve for x
    x = 13,284,830,728.44/132,877.26
  6. Step 6: Final answer
    x = 99,978.21

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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.