Home / 110,306.72-164,212.48-109,650.62

Finding the Fourth Proportional to 110,306.72, 164,212.48 and 109,650.62

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Solution

The fourth proportional to 110,306.72, 164,212.48 and 109,650.62 is: 163,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,306.72 : 164,212.48 = 109,650.62 : x
  2. Step 2: Convert to fraction form
    110,306.72/164,212.48 = 109,650.62/x
  3. Step 3: Cross multiply
    110,306.72x = 164,212.48 × 109,650.62
  4. Step 4: Simplify right side
    110,306.72x = 18,006,000,243.74
  5. Step 5: Solve for x
    x = 18,006,000,243.74/110,306.72
  6. Step 6: Final answer
    x = 163,235.75

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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.