Home / 178,684.03-269,310.40-154,021.74

Finding the Fourth Proportional to 178,684.03, 269,310.40 and 154,021.74

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Solution

The fourth proportional to 178,684.03, 269,310.40 and 154,021.74 is: 232,139.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,684.03 : 269,310.40 = 154,021.74 : x
  2. Step 2: Convert to fraction form
    178,684.03/269,310.40 = 154,021.74/x
  3. Step 3: Cross multiply
    178,684.03x = 269,310.40 × 154,021.74
  4. Step 4: Simplify right side
    178,684.03x = 41,479,655,879.50
  5. Step 5: Solve for x
    x = 41,479,655,879.50/178,684.03
  6. Step 6: Final answer
    x = 232,139.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.