Home / 330,821.28-496,157.40-94,158.72

Finding the Fourth Proportional to 330,821.28, 496,157.40 and 94,158.72

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Solution

The fourth proportional to 330,821.28, 496,157.40 and 94,158.72 is: 141,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,821.28 : 496,157.40 = 94,158.72 : x
  2. Step 2: Convert to fraction form
    330,821.28/496,157.40 = 94,158.72/x
  3. Step 3: Cross multiply
    330,821.28x = 496,157.40 × 94,158.72
  4. Step 4: Simplify right side
    330,821.28x = 46,717,545,702.53
  5. Step 5: Solve for x
    x = 46,717,545,702.53/330,821.28
  6. Step 6: Final answer
    x = 141,216.87

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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.