Home / 211,134.54-316,712.70-53,364.36

Finding the Fourth Proportional to 211,134.54, 316,712.70 and 53,364.36

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Solution

The fourth proportional to 211,134.54, 316,712.70 and 53,364.36 is: 80,049.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,134.54 : 316,712.70 = 53,364.36 : x
  2. Step 2: Convert to fraction form
    211,134.54/316,712.70 = 53,364.36/x
  3. Step 3: Cross multiply
    211,134.54x = 316,712.70 × 53,364.36
  4. Step 4: Simplify right side
    211,134.54x = 16,901,170,539.37
  5. Step 5: Solve for x
    x = 16,901,170,539.37/211,134.54
  6. Step 6: Final answer
    x = 80,049.29

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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.