Home / 374,023.47-516,172.32-212,930.42

Finding the Fourth Proportional to 374,023.47, 516,172.32 and 212,930.42

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Solution

The fourth proportional to 374,023.47, 516,172.32 and 212,930.42 is: 293,855.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,023.47 : 516,172.32 = 212,930.42 : x
  2. Step 2: Convert to fraction form
    374,023.47/516,172.32 = 212,930.42/x
  3. Step 3: Cross multiply
    374,023.47x = 516,172.32 × 212,930.42
  4. Step 4: Simplify right side
    374,023.47x = 109,908,789,811.45
  5. Step 5: Solve for x
    x = 109,908,789,811.45/374,023.47
  6. Step 6: Final answer
    x = 293,855.33

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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.