Home / 274,688.10-412,032.15-168,399.90

Finding the Fourth Proportional to 274,688.10, 412,032.15 and 168,399.90

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Solution

The fourth proportional to 274,688.10, 412,032.15 and 168,399.90 is: 252,599.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,688.10 : 412,032.15 = 168,399.90 : x
  2. Step 2: Convert to fraction form
    274,688.10/412,032.15 = 168,399.90/x
  3. Step 3: Cross multiply
    274,688.10x = 412,032.15 × 168,399.90
  4. Step 4: Simplify right side
    274,688.10x = 69,386,172,856.79
  5. Step 5: Solve for x
    x = 69,386,172,856.79/274,688.10
  6. Step 6: Final answer
    x = 252,599.85

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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.