Home / 178,372.15-267,673.95-77,268.96

Finding the Fourth Proportional to 178,372.15, 267,673.95 and 77,268.96

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Solution

The fourth proportional to 178,372.15, 267,673.95 and 77,268.96 is: 115,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,372.15 : 267,673.95 = 77,268.96 : x
  2. Step 2: Convert to fraction form
    178,372.15/267,673.95 = 77,268.96/x
  3. Step 3: Cross multiply
    178,372.15x = 267,673.95 × 77,268.96
  4. Step 4: Simplify right side
    178,372.15x = 20,682,887,735.59
  5. Step 5: Solve for x
    x = 20,682,887,735.59/178,372.15
  6. Step 6: Final answer
    x = 115,953.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.