Home / 307,428.36-461,217.57-117,885.34

Finding the Fourth Proportional to 307,428.36, 461,217.57 and 117,885.34

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Solution

The fourth proportional to 307,428.36, 461,217.57 and 117,885.34 is: 176,856.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,428.36 : 461,217.57 = 117,885.34 : x
  2. Step 2: Convert to fraction form
    307,428.36/461,217.57 = 117,885.34/x
  3. Step 3: Cross multiply
    307,428.36x = 461,217.57 × 117,885.34
  4. Step 4: Simplify right side
    307,428.36x = 54,370,790,053.42
  5. Step 5: Solve for x
    x = 54,370,790,053.42/307,428.36
  6. Step 6: Final answer
    x = 176,856.78

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1.5x scale

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.