Home / 311,932.98-430,583.94-242,885.76

Finding the Fourth Proportional to 311,932.98, 430,583.94 and 242,885.76

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Solution

The fourth proportional to 311,932.98, 430,583.94 and 242,885.76 is: 335,273.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,932.98 : 430,583.94 = 242,885.76 : x
  2. Step 2: Convert to fraction form
    311,932.98/430,583.94 = 242,885.76/x
  3. Step 3: Cross multiply
    311,932.98x = 430,583.94 × 242,885.76
  4. Step 4: Simplify right side
    311,932.98x = 104,582,707,510.69
  5. Step 5: Solve for x
    x = 104,582,707,510.69/311,932.98
  6. Step 6: Final answer
    x = 335,273.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.