Home / 161,626.02-242,442.96-55,009.80

Finding the Fourth Proportional to 161,626.02, 242,442.96 and 55,009.80

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Solution

The fourth proportional to 161,626.02, 242,442.96 and 55,009.80 is: 82,516.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,626.02 : 242,442.96 = 55,009.80 : x
  2. Step 2: Convert to fraction form
    161,626.02/242,442.96 = 55,009.80/x
  3. Step 3: Cross multiply
    161,626.02x = 242,442.96 × 55,009.80
  4. Step 4: Simplify right side
    161,626.02x = 13,336,738,741.01
  5. Step 5: Solve for x
    x = 13,336,738,741.01/161,626.02
  6. Step 6: Final answer
    x = 82,516.04

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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.