Home / 374,931.40-517,398.42-205,162.12

Finding the Fourth Proportional to 374,931.40, 517,398.42 and 205,162.12

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Solution

The fourth proportional to 374,931.40, 517,398.42 and 205,162.12 is: 283,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,931.40 : 517,398.42 = 205,162.12 : x
  2. Step 2: Convert to fraction form
    374,931.40/517,398.42 = 205,162.12/x
  3. Step 3: Cross multiply
    374,931.40x = 517,398.42 × 205,162.12
  4. Step 4: Simplify right side
    374,931.40x = 106,150,556,731.85
  5. Step 5: Solve for x
    x = 106,150,556,731.85/374,931.40
  6. Step 6: Final answer
    x = 283,119.94

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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.