Home / 113,462.40-171,043.20-105,850.56

Finding the Fourth Proportional to 113,462.40, 171,043.20 and 105,850.56

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Solution

The fourth proportional to 113,462.40, 171,043.20 and 105,850.56 is: 159,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,462.40 : 171,043.20 = 105,850.56 : x
  2. Step 2: Convert to fraction form
    113,462.40/171,043.20 = 105,850.56/x
  3. Step 3: Cross multiply
    113,462.40x = 171,043.20 × 105,850.56
  4. Step 4: Simplify right side
    113,462.40x = 18,105,018,504.19
  5. Step 5: Solve for x
    x = 18,105,018,504.19/113,462.40
  6. Step 6: Final answer
    x = 159,568.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.