Home / 276,677.16-415,145.34-136,359.24

Finding the Fourth Proportional to 276,677.16, 415,145.34 and 136,359.24

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Solution

The fourth proportional to 276,677.16, 415,145.34 and 136,359.24 is: 204,602.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,677.16 : 415,145.34 = 136,359.24 : x
  2. Step 2: Convert to fraction form
    276,677.16/415,145.34 = 136,359.24/x
  3. Step 3: Cross multiply
    276,677.16x = 415,145.34 × 136,359.24
  4. Step 4: Simplify right side
    276,677.16x = 56,608,903,051.94
  5. Step 5: Solve for x
    x = 56,608,903,051.94/276,677.16
  6. Step 6: Final answer
    x = 204,602.73

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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.