Home / 172,934.31-257,682.39-154,069.41

Finding the Fourth Proportional to 172,934.31, 257,682.39 and 154,069.41

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Solution

The fourth proportional to 172,934.31, 257,682.39 and 154,069.41 is: 229,572.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,934.31 : 257,682.39 = 154,069.41 : x
  2. Step 2: Convert to fraction form
    172,934.31/257,682.39 = 154,069.41/x
  3. Step 3: Cross multiply
    172,934.31x = 257,682.39 × 154,069.41
  4. Step 4: Simplify right side
    172,934.31x = 39,700,973,794.69
  5. Step 5: Solve for x
    x = 39,700,973,794.69/172,934.31
  6. Step 6: Final answer
    x = 229,572.57

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.