Home / 111,029.40-166,544.10-73,631.70

Finding the Fourth Proportional to 111,029.40, 166,544.10 and 73,631.70

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Solution

The fourth proportional to 111,029.40, 166,544.10 and 73,631.70 is: 110,447.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,029.40 : 166,544.10 = 73,631.70 : x
  2. Step 2: Convert to fraction form
    111,029.40/166,544.10 = 73,631.70/x
  3. Step 3: Cross multiply
    111,029.40x = 166,544.10 × 73,631.70
  4. Step 4: Simplify right side
    111,029.40x = 12,262,925,207.97
  5. Step 5: Solve for x
    x = 12,262,925,207.97/111,029.40
  6. Step 6: Final answer
    x = 110,447.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.