Home / 251,025.50-346,417.62-137,850.68

Finding the Fourth Proportional to 251,025.50, 346,417.62 and 137,850.68

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Solution

The fourth proportional to 251,025.50, 346,417.62 and 137,850.68 is: 190,235.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,025.50 : 346,417.62 = 137,850.68 : x
  2. Step 2: Convert to fraction form
    251,025.50/346,417.62 = 137,850.68/x
  3. Step 3: Cross multiply
    251,025.50x = 346,417.62 × 137,850.68
  4. Step 4: Simplify right side
    251,025.50x = 47,753,904,480.98
  5. Step 5: Solve for x
    x = 47,753,904,480.98/251,025.50
  6. Step 6: Final answer
    x = 190,235.27

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1.5x scale

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.