Home / 262,059.20-392,894.40-112,176.80

Finding the Fourth Proportional to 262,059.20, 392,894.40 and 112,176.80

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Solution

The fourth proportional to 262,059.20, 392,894.40 and 112,176.80 is: 168,181.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,059.20 : 392,894.40 = 112,176.80 : x
  2. Step 2: Convert to fraction form
    262,059.20/392,894.40 = 112,176.80/x
  3. Step 3: Cross multiply
    262,059.20x = 392,894.40 × 112,176.80
  4. Step 4: Simplify right side
    262,059.20x = 44,073,636,529.92
  5. Step 5: Solve for x
    x = 44,073,636,529.92/262,059.20
  6. Step 6: Final answer
    x = 168,181.99

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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.