Home / 161,927.85-243,036.21-161,325.03

Finding the Fourth Proportional to 161,927.85, 243,036.21 and 161,325.03

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Solution

The fourth proportional to 161,927.85, 243,036.21 and 161,325.03 is: 242,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,927.85 : 243,036.21 = 161,325.03 : x
  2. Step 2: Convert to fraction form
    161,927.85/243,036.21 = 161,325.03/x
  3. Step 3: Cross multiply
    161,927.85x = 243,036.21 × 161,325.03
  4. Step 4: Simplify right side
    161,927.85x = 39,207,823,869.34
  5. Step 5: Solve for x
    x = 39,207,823,869.34/161,927.85
  6. Step 6: Final answer
    x = 242,131.44

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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.