Home / 177,660.85-245,057.40-105,985.57

Finding the Fourth Proportional to 177,660.85, 245,057.40 and 105,985.57

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Solution

The fourth proportional to 177,660.85, 245,057.40 and 105,985.57 is: 146,191.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,660.85 : 245,057.40 = 105,985.57 : x
  2. Step 2: Convert to fraction form
    177,660.85/245,057.40 = 105,985.57/x
  3. Step 3: Cross multiply
    177,660.85x = 245,057.40 × 105,985.57
  4. Step 4: Simplify right side
    177,660.85x = 25,972,548,221.72
  5. Step 5: Solve for x
    x = 25,972,548,221.72/177,660.85
  6. Step 6: Final answer
    x = 146,191.74

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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.