Home / 316,028.11-474,087.14-102,727.45

Finding the Fourth Proportional to 316,028.11, 474,087.14 and 102,727.45

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Solution

The fourth proportional to 316,028.11, 474,087.14 and 102,727.45 is: 154,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,028.11 : 474,087.14 = 102,727.45 : x
  2. Step 2: Convert to fraction form
    316,028.11/474,087.14 = 102,727.45/x
  3. Step 3: Cross multiply
    316,028.11x = 474,087.14 × 102,727.45
  4. Step 4: Simplify right side
    316,028.11x = 48,701,762,041.59
  5. Step 5: Solve for x
    x = 48,701,762,041.59/316,028.11
  6. Step 6: Final answer
    x = 154,105.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.