Home / 251,074.17-346,382.19-160,406.64

Finding the Fourth Proportional to 251,074.17, 346,382.19 and 160,406.64

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Solution

The fourth proportional to 251,074.17, 346,382.19 and 160,406.64 is: 221,297.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,074.17 : 346,382.19 = 160,406.64 : x
  2. Step 2: Convert to fraction form
    251,074.17/346,382.19 = 160,406.64/x
  3. Step 3: Cross multiply
    251,074.17x = 346,382.19 × 160,406.64
  4. Step 4: Simplify right side
    251,074.17x = 55,562,003,253.74
  5. Step 5: Solve for x
    x = 55,562,003,253.74/251,074.17
  6. Step 6: Final answer
    x = 221,297.17

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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.