Home / 291,264.30-436,896.45-113,777.10

Finding the Fourth Proportional to 291,264.30, 436,896.45 and 113,777.10

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Solution

The fourth proportional to 291,264.30, 436,896.45 and 113,777.10 is: 170,665.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,264.30 : 436,896.45 = 113,777.10 : x
  2. Step 2: Convert to fraction form
    291,264.30/436,896.45 = 113,777.10/x
  3. Step 3: Cross multiply
    291,264.30x = 436,896.45 × 113,777.10
  4. Step 4: Simplify right side
    291,264.30x = 49,708,811,081.30
  5. Step 5: Solve for x
    x = 49,708,811,081.30/291,264.30
  6. Step 6: Final answer
    x = 170,665.65

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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.