Home / 211,007.22-316,165.77-203,134.02

Finding the Fourth Proportional to 211,007.22, 316,165.77 and 203,134.02

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Solution

The fourth proportional to 211,007.22, 316,165.77 and 203,134.02 is: 304,368.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,007.22 : 316,165.77 = 203,134.02 : x
  2. Step 2: Convert to fraction form
    211,007.22/316,165.77 = 203,134.02/x
  3. Step 3: Cross multiply
    211,007.22x = 316,165.77 × 203,134.02
  4. Step 4: Simplify right side
    211,007.22x = 64,224,023,846.50
  5. Step 5: Solve for x
    x = 64,224,023,846.50/211,007.22
  6. Step 6: Final answer
    x = 304,368.85

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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.