Home / 177,684.78-245,181.36-114,108.72

Finding the Fourth Proportional to 177,684.78, 245,181.36 and 114,108.72

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Solution

The fourth proportional to 177,684.78, 245,181.36 and 114,108.72 is: 157,454.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,684.78 : 245,181.36 = 114,108.72 : x
  2. Step 2: Convert to fraction form
    177,684.78/245,181.36 = 114,108.72/x
  3. Step 3: Cross multiply
    177,684.78x = 245,181.36 × 114,108.72
  4. Step 4: Simplify right side
    177,684.78x = 27,977,331,157.46
  5. Step 5: Solve for x
    x = 27,977,331,157.46/177,684.78
  6. Step 6: Final answer
    x = 157,454.85

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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.