Home / 330,848.10-456,423.94-203,448.42

Finding the Fourth Proportional to 330,848.10, 456,423.94 and 203,448.42

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Solution

The fourth proportional to 330,848.10, 456,423.94 and 203,448.42 is: 280,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,848.10 : 456,423.94 = 203,448.42 : x
  2. Step 2: Convert to fraction form
    330,848.10/456,423.94 = 203,448.42/x
  3. Step 3: Cross multiply
    330,848.10x = 456,423.94 × 203,448.42
  4. Step 4: Simplify right side
    330,848.10x = 92,858,729,443.17
  5. Step 5: Solve for x
    x = 92,858,729,443.17/330,848.10
  6. Step 6: Final answer
    x = 280,668.77

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1.5x scale

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.