Home / 161,445.56-242,177.43-49,129.43

Finding the Fourth Proportional to 161,445.56, 242,177.43 and 49,129.43

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Solution

The fourth proportional to 161,445.56, 242,177.43 and 49,129.43 is: 73,696.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,445.56 : 242,177.43 = 49,129.43 : x
  2. Step 2: Convert to fraction form
    161,445.56/242,177.43 = 49,129.43/x
  3. Step 3: Cross multiply
    161,445.56x = 242,177.43 × 49,129.43
  4. Step 4: Simplify right side
    161,445.56x = 11,898,037,883.88
  5. Step 5: Solve for x
    x = 11,898,037,883.88/161,445.56
  6. Step 6: Final answer
    x = 73,696.91

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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.