Home / 289,847.24-434,868.12-112,360.04

Finding the Fourth Proportional to 289,847.24, 434,868.12 and 112,360.04

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Solution

The fourth proportional to 289,847.24, 434,868.12 and 112,360.04 is: 168,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,847.24 : 434,868.12 = 112,360.04 : x
  2. Step 2: Convert to fraction form
    289,847.24/434,868.12 = 112,360.04/x
  3. Step 3: Cross multiply
    289,847.24x = 434,868.12 × 112,360.04
  4. Step 4: Simplify right side
    289,847.24x = 48,861,799,357.92
  5. Step 5: Solve for x
    x = 48,861,799,357.92/289,847.24
  6. Step 6: Final answer
    x = 168,577.76

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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.