Home / 316,910.41-437,339.81-173,667.38

Finding the Fourth Proportional to 316,910.41, 437,339.81 and 173,667.38

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Solution

The fourth proportional to 316,910.41, 437,339.81 and 173,667.38 is: 239,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,910.41 : 437,339.81 = 173,667.38 : x
  2. Step 2: Convert to fraction form
    316,910.41/437,339.81 = 173,667.38/x
  3. Step 3: Cross multiply
    316,910.41x = 437,339.81 × 173,667.38
  4. Step 4: Simplify right side
    316,910.41x = 75,951,656,242.99
  5. Step 5: Solve for x
    x = 75,951,656,242.99/316,910.41
  6. Step 6: Final answer
    x = 239,662.87

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1.5x scale

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.