Home / 331,317.76-496,278.40-151,554.56

Finding the Fourth Proportional to 331,317.76, 496,278.40 and 151,554.56

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Solution

The fourth proportional to 331,317.76, 496,278.40 and 151,554.56 is: 227,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,317.76 : 496,278.40 = 151,554.56 : x
  2. Step 2: Convert to fraction form
    331,317.76/496,278.40 = 151,554.56/x
  3. Step 3: Cross multiply
    331,317.76x = 496,278.40 × 151,554.56
  4. Step 4: Simplify right side
    331,317.76x = 75,213,254,549.50
  5. Step 5: Solve for x
    x = 75,213,254,549.50/331,317.76
  6. Step 6: Final answer
    x = 227,012.44

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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.