Home / 253,867.41-380,400.57-93,722.94

Finding the Fourth Proportional to 253,867.41, 380,400.57 and 93,722.94

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Solution

The fourth proportional to 253,867.41, 380,400.57 and 93,722.94 is: 140,436.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,867.41 : 380,400.57 = 93,722.94 : x
  2. Step 2: Convert to fraction form
    253,867.41/380,400.57 = 93,722.94/x
  3. Step 3: Cross multiply
    253,867.41x = 380,400.57 × 93,722.94
  4. Step 4: Simplify right side
    253,867.41x = 35,652,259,798.08
  5. Step 5: Solve for x
    x = 35,652,259,798.08/253,867.41
  6. Step 6: Final answer
    x = 140,436.54

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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.