Home / 331,887.40-497,528.70-121,474.60

Finding the Fourth Proportional to 331,887.40, 497,528.70 and 121,474.60

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Solution

The fourth proportional to 331,887.40, 497,528.70 and 121,474.60 is: 182,101.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,887.40 : 497,528.70 = 121,474.60 : x
  2. Step 2: Convert to fraction form
    331,887.40/497,528.70 = 121,474.60/x
  3. Step 3: Cross multiply
    331,887.40x = 497,528.70 × 121,474.60
  4. Step 4: Simplify right side
    331,887.40x = 60,437,099,821.02
  5. Step 5: Solve for x
    x = 60,437,099,821.02/331,887.40
  6. Step 6: Final answer
    x = 182,101.22

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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.