Home / 166,039.74-229,065.03-115,767.90

Finding the Fourth Proportional to 166,039.74, 229,065.03 and 115,767.90

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Solution

The fourth proportional to 166,039.74, 229,065.03 and 115,767.90 is: 159,711.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,039.74 : 229,065.03 = 115,767.90 : x
  2. Step 2: Convert to fraction form
    166,039.74/229,065.03 = 115,767.90/x
  3. Step 3: Cross multiply
    166,039.74x = 229,065.03 × 115,767.90
  4. Step 4: Simplify right side
    166,039.74x = 26,518,377,486.54
  5. Step 5: Solve for x
    x = 26,518,377,486.54/166,039.74
  6. Step 6: Final answer
    x = 159,711.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.