Home / 110,306.80-164,212.79-109,650.70

Finding the Fourth Proportional to 110,306.80, 164,212.79 and 109,650.70

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Solution

The fourth proportional to 110,306.80, 164,212.79 and 109,650.70 is: 163,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,306.80 : 164,212.79 = 109,650.70 : x
  2. Step 2: Convert to fraction form
    110,306.80/164,212.79 = 109,650.70/x
  3. Step 3: Cross multiply
    110,306.80x = 164,212.79 × 109,650.70
  4. Step 4: Simplify right side
    110,306.80x = 18,006,047,372.45
  5. Step 5: Solve for x
    x = 18,006,047,372.45/110,306.80
  6. Step 6: Final answer
    x = 163,236.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.