Home / 211,553.28-316,906.83-127,267.02

Finding the Fourth Proportional to 211,553.28, 316,906.83 and 127,267.02

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Solution

The fourth proportional to 211,553.28, 316,906.83 and 127,267.02 is: 190,646.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,553.28 : 316,906.83 = 127,267.02 : x
  2. Step 2: Convert to fraction form
    211,553.28/316,906.83 = 127,267.02/x
  3. Step 3: Cross multiply
    211,553.28x = 316,906.83 × 127,267.02
  4. Step 4: Simplify right side
    211,553.28x = 40,331,787,871.75
  5. Step 5: Solve for x
    x = 40,331,787,871.75/211,553.28
  6. Step 6: Final answer
    x = 190,646.01

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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.