Home / 242,601.02-363,956.89-74,145.30

Finding the Fourth Proportional to 242,601.02, 363,956.89 and 74,145.30

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Solution

The fourth proportional to 242,601.02, 363,956.89 and 74,145.30 is: 111,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,601.02 : 363,956.89 = 74,145.30 : x
  2. Step 2: Convert to fraction form
    242,601.02/363,956.89 = 74,145.30/x
  3. Step 3: Cross multiply
    242,601.02x = 363,956.89 × 74,145.30
  4. Step 4: Simplify right side
    242,601.02x = 26,985,692,796.12
  5. Step 5: Solve for x
    x = 26,985,692,796.12/242,601.02
  6. Step 6: Final answer
    x = 111,234.87

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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.