Home / 319,821.17-479,733.51-132,832.67

Finding the Fourth Proportional to 319,821.17, 479,733.51 and 132,832.67

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Solution

The fourth proportional to 319,821.17, 479,733.51 and 132,832.67 is: 199,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,821.17 : 479,733.51 = 132,832.67 : x
  2. Step 2: Convert to fraction form
    319,821.17/479,733.51 = 132,832.67/x
  3. Step 3: Cross multiply
    319,821.17x = 479,733.51 × 132,832.67
  4. Step 4: Simplify right side
    319,821.17x = 63,724,283,021.77
  5. Step 5: Solve for x
    x = 63,724,283,021.77/319,821.17
  6. Step 6: Final answer
    x = 199,249.73

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1.5x scale

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.