Home / 330,394.40-455,927.28-179,491.04

Finding the Fourth Proportional to 330,394.40, 455,927.28 and 179,491.04

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Solution

The fourth proportional to 330,394.40, 455,927.28 and 179,491.04 is: 247,688.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,394.40 : 455,927.28 = 179,491.04 : x
  2. Step 2: Convert to fraction form
    330,394.40/455,927.28 = 179,491.04/x
  3. Step 3: Cross multiply
    330,394.40x = 455,927.28 × 179,491.04
  4. Step 4: Simplify right side
    330,394.40x = 81,834,861,651.57
  5. Step 5: Solve for x
    x = 81,834,861,651.57/330,394.40
  6. Step 6: Final answer
    x = 247,688.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.