Home / 331,716.60-457,746.12-186,525.72

Finding the Fourth Proportional to 331,716.60, 457,746.12 and 186,525.72

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Solution

The fourth proportional to 331,716.60, 457,746.12 and 186,525.72 is: 257,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,716.60 : 457,746.12 = 186,525.72 : x
  2. Step 2: Convert to fraction form
    331,716.60/457,746.12 = 186,525.72/x
  3. Step 3: Cross multiply
    331,716.60x = 457,746.12 × 186,525.72
  4. Step 4: Simplify right side
    331,716.60x = 85,381,424,610.21
  5. Step 5: Solve for x
    x = 85,381,424,610.21/331,716.60
  6. Step 6: Final answer
    x = 257,392.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.