Home / 330,905.04-496,157.09-148,502.40

Finding the Fourth Proportional to 330,905.04, 496,157.09 and 148,502.40

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Solution

The fourth proportional to 330,905.04, 496,157.09 and 148,502.40 is: 222,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,905.04 : 496,157.09 = 148,502.40 : x
  2. Step 2: Convert to fraction form
    330,905.04/496,157.09 = 148,502.40/x
  3. Step 3: Cross multiply
    330,905.04x = 496,157.09 × 148,502.40
  4. Step 4: Simplify right side
    330,905.04x = 73,680,517,899.50
  5. Step 5: Solve for x
    x = 73,680,517,899.50/330,905.04
  6. Step 6: Final answer
    x = 222,663.63

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1.5x scale

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.