Home / 178,407.90-246,214.31-117,872.37

Finding the Fourth Proportional to 178,407.90, 246,214.31 and 117,872.37

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Solution

The fourth proportional to 178,407.90, 246,214.31 and 117,872.37 is: 162,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,407.90 : 246,214.31 = 117,872.37 : x
  2. Step 2: Convert to fraction form
    178,407.90/246,214.31 = 117,872.37/x
  3. Step 3: Cross multiply
    178,407.90x = 246,214.31 × 117,872.37
  4. Step 4: Simplify right side
    178,407.90x = 29,021,863,658.25
  5. Step 5: Solve for x
    x = 29,021,863,658.25/178,407.90
  6. Step 6: Final answer
    x = 162,671.40

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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.