Home / 374,054.25-516,198.18-212,919.69

Finding the Fourth Proportional to 374,054.25, 516,198.18 and 212,919.69

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Solution

The fourth proportional to 374,054.25, 516,198.18 and 212,919.69 is: 293,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,054.25 : 516,198.18 = 212,919.69 : x
  2. Step 2: Convert to fraction form
    374,054.25/516,198.18 = 212,919.69/x
  3. Step 3: Cross multiply
    374,054.25x = 516,198.18 × 212,919.69
  4. Step 4: Simplify right side
    374,054.25x = 109,908,756,464.16
  5. Step 5: Solve for x
    x = 109,908,756,464.16/374,054.25
  6. Step 6: Final answer
    x = 293,831.06

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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.