Home / 209,358.23-313,787.17-76,082.45

Finding the Fourth Proportional to 209,358.23, 313,787.17 and 76,082.45

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Solution

The fourth proportional to 209,358.23, 313,787.17 and 76,082.45 is: 114,032.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,358.23 : 313,787.17 = 76,082.45 : x
  2. Step 2: Convert to fraction form
    209,358.23/313,787.17 = 76,082.45/x
  3. Step 3: Cross multiply
    209,358.23x = 313,787.17 × 76,082.45
  4. Step 4: Simplify right side
    209,358.23x = 23,873,696,291.75
  5. Step 5: Solve for x
    x = 23,873,696,291.75/209,358.23
  6. Step 6: Final answer
    x = 114,032.76

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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.