Home / 331,018.76-496,527.38-120,570.68

Finding the Fourth Proportional to 331,018.76, 496,527.38 and 120,570.68

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Solution

The fourth proportional to 331,018.76, 496,527.38 and 120,570.68 is: 180,855.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,018.76 : 496,527.38 = 120,570.68 : x
  2. Step 2: Convert to fraction form
    331,018.76/496,527.38 = 120,570.68/x
  3. Step 3: Cross multiply
    331,018.76x = 496,527.38 × 120,570.68
  4. Step 4: Simplify right side
    331,018.76x = 59,866,643,845.22
  5. Step 5: Solve for x
    x = 59,866,643,845.22/331,018.76
  6. Step 6: Final answer
    x = 180,855.74

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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.