Home / 331,428.24-497,200.68-121,359.60

Finding the Fourth Proportional to 331,428.24, 497,200.68 and 121,359.60

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Solution

The fourth proportional to 331,428.24, 497,200.68 and 121,359.60 is: 182,060.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,428.24 : 497,200.68 = 121,359.60 : x
  2. Step 2: Convert to fraction form
    331,428.24/497,200.68 = 121,359.60/x
  3. Step 3: Cross multiply
    331,428.24x = 497,200.68 × 121,359.60
  4. Step 4: Simplify right side
    331,428.24x = 60,340,075,644.53
  5. Step 5: Solve for x
    x = 60,340,075,644.53/331,428.24
  6. Step 6: Final answer
    x = 182,060.76

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1.5x scale

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.