Home / 102,778.51-154,134.96-32,641.42

Finding the Fourth Proportional to 102,778.51, 154,134.96 and 32,641.42

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Solution

The fourth proportional to 102,778.51, 154,134.96 and 32,641.42 is: 48,951.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,778.51 : 154,134.96 = 32,641.42 : x
  2. Step 2: Convert to fraction form
    102,778.51/154,134.96 = 32,641.42/x
  3. Step 3: Cross multiply
    102,778.51x = 154,134.96 × 32,641.42
  4. Step 4: Simplify right side
    102,778.51x = 5,031,183,966.04
  5. Step 5: Solve for x
    x = 5,031,183,966.04/102,778.51
  6. Step 6: Final answer
    x = 48,951.71

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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.