Home / 205,887.04-308,833.12-56,134.72

Finding the Fourth Proportional to 205,887.04, 308,833.12 and 56,134.72

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Solution

The fourth proportional to 205,887.04, 308,833.12 and 56,134.72 is: 84,202.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,887.04 : 308,833.12 = 56,134.72 : x
  2. Step 2: Convert to fraction form
    205,887.04/308,833.12 = 56,134.72/x
  3. Step 3: Cross multiply
    205,887.04x = 308,833.12 × 56,134.72
  4. Step 4: Simplify right side
    205,887.04x = 17,336,260,717.93
  5. Step 5: Solve for x
    x = 17,336,260,717.93/205,887.04
  6. Step 6: Final answer
    x = 84,202.78

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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.