Home / 319,581.05-441,021.33-176,340.98

Finding the Fourth Proportional to 319,581.05, 441,021.33 and 176,340.98

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Solution

The fourth proportional to 319,581.05, 441,021.33 and 176,340.98 is: 243,350.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,581.05 : 441,021.33 = 176,340.98 : x
  2. Step 2: Convert to fraction form
    319,581.05/441,021.33 = 176,340.98/x
  3. Step 3: Cross multiply
    319,581.05x = 441,021.33 × 176,340.98
  4. Step 4: Simplify right side
    319,581.05x = 77,770,134,635.66
  5. Step 5: Solve for x
    x = 77,770,134,635.66/319,581.05
  6. Step 6: Final answer
    x = 243,350.27

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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.