Home / 177,912.88-245,434.94-109,905.38

Finding the Fourth Proportional to 177,912.88, 245,434.94 and 109,905.38

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Solution

The fourth proportional to 177,912.88, 245,434.94 and 109,905.38 is: 151,617.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,912.88 : 245,434.94 = 109,905.38 : x
  2. Step 2: Convert to fraction form
    177,912.88/245,434.94 = 109,905.38/x
  3. Step 3: Cross multiply
    177,912.88x = 245,434.94 × 109,905.38
  4. Step 4: Simplify right side
    177,912.88x = 26,974,620,345.98
  5. Step 5: Solve for x
    x = 26,974,620,345.98/177,912.88
  6. Step 6: Final answer
    x = 151,617.02

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1.5x scale

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.