Home / 331,655.52-457,686.20-188,423.43

Finding the Fourth Proportional to 331,655.52, 457,686.20 and 188,423.43

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Solution

The fourth proportional to 331,655.52, 457,686.20 and 188,423.43 is: 260,025.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,655.52 : 457,686.20 = 188,423.43 : x
  2. Step 2: Convert to fraction form
    331,655.52/457,686.20 = 188,423.43/x
  3. Step 3: Cross multiply
    331,655.52x = 457,686.20 × 188,423.43
  4. Step 4: Simplify right side
    331,655.52x = 86,238,803,667.67
  5. Step 5: Solve for x
    x = 86,238,803,667.67/331,655.52
  6. Step 6: Final answer
    x = 260,025.23

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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.