Home / 351,471.28-527,097.94-126,802.54

Finding the Fourth Proportional to 351,471.28, 527,097.94 and 126,802.54

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Solution

The fourth proportional to 351,471.28, 527,097.94 and 126,802.54 is: 190,164.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,471.28 : 527,097.94 = 126,802.54 : x
  2. Step 2: Convert to fraction form
    351,471.28/527,097.94 = 126,802.54/x
  3. Step 3: Cross multiply
    351,471.28x = 527,097.94 × 126,802.54
  4. Step 4: Simplify right side
    351,471.28x = 66,837,357,620.77
  5. Step 5: Solve for x
    x = 66,837,357,620.77/351,471.28
  6. Step 6: Final answer
    x = 190,164.49

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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.