Home / 456,494.24-684,741.64-172,107.56

Finding the Fourth Proportional to 456,494.24, 684,741.64 and 172,107.56

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Solution

The fourth proportional to 456,494.24, 684,741.64 and 172,107.56 is: 258,161.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,494.24 : 684,741.64 = 172,107.56 : x
  2. Step 2: Convert to fraction form
    456,494.24/684,741.64 = 172,107.56/x
  3. Step 3: Cross multiply
    456,494.24x = 684,741.64 × 172,107.56
  4. Step 4: Simplify right side
    456,494.24x = 117,849,212,890.80
  5. Step 5: Solve for x
    x = 117,849,212,890.80/456,494.24
  6. Step 6: Final answer
    x = 258,161.45

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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.