Home / 161,855.16-242,782.38-56,704.20

Finding the Fourth Proportional to 161,855.16, 242,782.38 and 56,704.20

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Solution

The fourth proportional to 161,855.16, 242,782.38 and 56,704.20 is: 85,056.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,855.16 : 242,782.38 = 56,704.20 : x
  2. Step 2: Convert to fraction form
    161,855.16/242,782.38 = 56,704.20/x
  3. Step 3: Cross multiply
    161,855.16x = 242,782.38 × 56,704.20
  4. Step 4: Simplify right side
    161,855.16x = 13,766,780,632.00
  5. Step 5: Solve for x
    x = 13,766,780,632.00/161,855.16
  6. Step 6: Final answer
    x = 85,056.17

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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.