Home / 211,350.24-316,826.91-71,010.72

Finding the Fourth Proportional to 211,350.24, 316,826.91 and 71,010.72

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Solution

The fourth proportional to 211,350.24, 316,826.91 and 71,010.72 is: 106,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,350.24 : 316,826.91 = 71,010.72 : x
  2. Step 2: Convert to fraction form
    211,350.24/316,826.91 = 71,010.72/x
  3. Step 3: Cross multiply
    211,350.24x = 316,826.91 × 71,010.72
  4. Step 4: Simplify right side
    211,350.24x = 22,498,106,994.48
  5. Step 5: Solve for x
    x = 22,498,106,994.48/211,350.24
  6. Step 6: Final answer
    x = 106,449.40

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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.