Home / 312,875.14-469,105.38-113,169.22

Finding the Fourth Proportional to 312,875.14, 469,105.38 and 113,169.22

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Solution

The fourth proportional to 312,875.14, 469,105.38 and 113,169.22 is: 169,678.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,875.14 : 469,105.38 = 113,169.22 : x
  2. Step 2: Convert to fraction form
    312,875.14/469,105.38 = 113,169.22/x
  3. Step 3: Cross multiply
    312,875.14x = 469,105.38 × 113,169.22
  4. Step 4: Simplify right side
    312,875.14x = 53,088,289,952.40
  5. Step 5: Solve for x
    x = 53,088,289,952.40/312,875.14
  6. Step 6: Final answer
    x = 169,678.84

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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.