Home / 331,215.40-496,823.10-191,247.40

Finding the Fourth Proportional to 331,215.40, 496,823.10 and 191,247.40

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Solution

The fourth proportional to 331,215.40, 496,823.10 and 191,247.40 is: 286,871.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,215.40 : 496,823.10 = 191,247.40 : x
  2. Step 2: Convert to fraction form
    331,215.40/496,823.10 = 191,247.40/x
  3. Step 3: Cross multiply
    331,215.40x = 496,823.10 × 191,247.40
  4. Step 4: Simplify right side
    331,215.40x = 95,016,126,134.94
  5. Step 5: Solve for x
    x = 95,016,126,134.94/331,215.40
  6. Step 6: Final answer
    x = 286,871.10

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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.