Home / 252,743.18-378,927.51-119,467.71

Finding the Fourth Proportional to 252,743.18, 378,927.51 and 119,467.71

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Solution

The fourth proportional to 252,743.18, 378,927.51 and 119,467.71 is: 179,113.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,743.18 : 378,927.51 = 119,467.71 : x
  2. Step 2: Convert to fraction form
    252,743.18/378,927.51 = 119,467.71/x
  3. Step 3: Cross multiply
    252,743.18x = 378,927.51 × 119,467.71
  4. Step 4: Simplify right side
    252,743.18x = 45,269,601,875.70
  5. Step 5: Solve for x
    x = 45,269,601,875.70/252,743.18
  6. Step 6: Final answer
    x = 179,113.05

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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.