Home / 352,124.20-527,253.18-211,689.64

Finding the Fourth Proportional to 352,124.20, 527,253.18 and 211,689.64

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Solution

The fourth proportional to 352,124.20, 527,253.18 and 211,689.64 is: 316,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,124.20 : 527,253.18 = 211,689.64 : x
  2. Step 2: Convert to fraction form
    352,124.20/527,253.18 = 211,689.64/x
  3. Step 3: Cross multiply
    352,124.20x = 527,253.18 × 211,689.64
  4. Step 4: Simplify right side
    352,124.20x = 111,614,035,863.06
  5. Step 5: Solve for x
    x = 111,614,035,863.06/352,124.20
  6. Step 6: Final answer
    x = 316,973.49

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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.