Home / 374,070.79-516,221.10-212,936.28

Finding the Fourth Proportional to 374,070.79, 516,221.10 and 212,936.28

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Solution

The fourth proportional to 374,070.79, 516,221.10 and 212,936.28 is: 293,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,070.79 : 516,221.10 = 212,936.28 : x
  2. Step 2: Convert to fraction form
    374,070.79/516,221.10 = 212,936.28/x
  3. Step 3: Cross multiply
    374,070.79x = 516,221.10 × 212,936.28
  4. Step 4: Simplify right side
    374,070.79x = 109,922,198,755.68
  5. Step 5: Solve for x
    x = 109,922,198,755.68/374,070.79
  6. Step 6: Final answer
    x = 293,854.00

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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.