Home / 271,932.12-407,437.56-166,530.87

Finding the Fourth Proportional to 271,932.12, 407,437.56 and 166,530.87

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Solution

The fourth proportional to 271,932.12, 407,437.56 and 166,530.87 is: 249,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,932.12 : 407,437.56 = 166,530.87 : x
  2. Step 2: Convert to fraction form
    271,932.12/407,437.56 = 166,530.87/x
  3. Step 3: Cross multiply
    271,932.12x = 407,437.56 × 166,530.87
  4. Step 4: Simplify right side
    271,932.12x = 67,850,931,337.48
  5. Step 5: Solve for x
    x = 67,850,931,337.48/271,932.12
  6. Step 6: Final answer
    x = 249,514.22

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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.