Home / 161,490.04-242,247.48-49,179.76

Finding the Fourth Proportional to 161,490.04, 242,247.48 and 49,179.76

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Solution

The fourth proportional to 161,490.04, 242,247.48 and 49,179.76 is: 73,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,490.04 : 242,247.48 = 49,179.76 : x
  2. Step 2: Convert to fraction form
    161,490.04/242,247.48 = 49,179.76/x
  3. Step 3: Cross multiply
    161,490.04x = 242,247.48 × 49,179.76
  4. Step 4: Simplify right side
    161,490.04x = 11,913,672,927.00
  5. Step 5: Solve for x
    x = 11,913,672,927.00/161,490.04
  6. Step 6: Final answer
    x = 73,773.42

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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.