Home / 291,360.03-436,998.53-91,675.23

Finding the Fourth Proportional to 291,360.03, 436,998.53 and 91,675.23

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Solution

The fourth proportional to 291,360.03, 436,998.53 and 91,675.23 is: 137,499.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,360.03 : 436,998.53 = 91,675.23 : x
  2. Step 2: Convert to fraction form
    291,360.03/436,998.53 = 91,675.23/x
  3. Step 3: Cross multiply
    291,360.03x = 436,998.53 × 91,675.23
  4. Step 4: Simplify right side
    291,360.03x = 40,061,940,747.41
  5. Step 5: Solve for x
    x = 40,061,940,747.41/291,360.03
  6. Step 6: Final answer
    x = 137,499.78

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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.