Home / 316,571.83-436,869.05-173,331.83

Finding the Fourth Proportional to 316,571.83, 436,869.05 and 173,331.83

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Solution

The fourth proportional to 316,571.83, 436,869.05 and 173,331.83 is: 239,197.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,571.83 : 436,869.05 = 173,331.83 : x
  2. Step 2: Convert to fraction form
    316,571.83/436,869.05 = 173,331.83/x
  3. Step 3: Cross multiply
    316,571.83x = 436,869.05 × 173,331.83
  4. Step 4: Simplify right side
    316,571.83x = 75,723,312,132.38
  5. Step 5: Solve for x
    x = 75,723,312,132.38/316,571.83
  6. Step 6: Final answer
    x = 239,197.89

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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.