Home / 251,399.12-346,591.20-170,686.52

Finding the Fourth Proportional to 251,399.12, 346,591.20 and 170,686.52

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Solution

The fourth proportional to 251,399.12, 346,591.20 and 170,686.52 is: 235,316.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,399.12 : 346,591.20 = 170,686.52 : x
  2. Step 2: Convert to fraction form
    251,399.12/346,591.20 = 170,686.52/x
  3. Step 3: Cross multiply
    251,399.12x = 346,591.20 × 170,686.52
  4. Step 4: Simplify right side
    251,399.12x = 59,158,445,790.62
  5. Step 5: Solve for x
    x = 59,158,445,790.62/251,399.12
  6. Step 6: Final answer
    x = 235,316.84

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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.