Home / 374,932.28-517,406.58-205,166.42

Finding the Fourth Proportional to 374,932.28, 517,406.58 and 205,166.42

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Solution

The fourth proportional to 374,932.28, 517,406.58 and 205,166.42 is: 283,129.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,932.28 : 517,406.58 = 205,166.42 : x
  2. Step 2: Convert to fraction form
    374,932.28/517,406.58 = 205,166.42/x
  3. Step 3: Cross multiply
    374,932.28x = 517,406.58 × 205,166.42
  4. Step 4: Simplify right side
    374,932.28x = 106,154,455,703.04
  5. Step 5: Solve for x
    x = 106,154,455,703.04/374,932.28
  6. Step 6: Final answer
    x = 283,129.68

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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.