Home / 330,024.12-494,956.86-152,360.48

Finding the Fourth Proportional to 330,024.12, 494,956.86 and 152,360.48

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Solution

The fourth proportional to 330,024.12, 494,956.86 and 152,360.48 is: 228,504.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,024.12 : 494,956.86 = 152,360.48 : x
  2. Step 2: Convert to fraction form
    330,024.12/494,956.86 = 152,360.48/x
  3. Step 3: Cross multiply
    330,024.12x = 494,956.86 × 152,360.48
  4. Step 4: Simplify right side
    330,024.12x = 75,411,862,294.11
  5. Step 5: Solve for x
    x = 75,411,862,294.11/330,024.12
  6. Step 6: Final answer
    x = 228,504.09

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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.