Home / 179,624.20-269,436.30-135,009.40

Finding the Fourth Proportional to 179,624.20, 269,436.30 and 135,009.40

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Solution

The fourth proportional to 179,624.20, 269,436.30 and 135,009.40 is: 202,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,624.20 : 269,436.30 = 135,009.40 : x
  2. Step 2: Convert to fraction form
    179,624.20/269,436.30 = 135,009.40/x
  3. Step 3: Cross multiply
    179,624.20x = 269,436.30 × 135,009.40
  4. Step 4: Simplify right side
    179,624.20x = 36,376,433,201.22
  5. Step 5: Solve for x
    x = 36,376,433,201.22/179,624.20
  6. Step 6: Final answer
    x = 202,514.10

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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.