Home / 291,535.06-436,877.07-129,233.30

Finding the Fourth Proportional to 291,535.06, 436,877.07 and 129,233.30

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Solution

The fourth proportional to 291,535.06, 436,877.07 and 129,233.30 is: 193,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,535.06 : 436,877.07 = 129,233.30 : x
  2. Step 2: Convert to fraction form
    291,535.06/436,877.07 = 129,233.30/x
  3. Step 3: Cross multiply
    291,535.06x = 436,877.07 × 129,233.30
  4. Step 4: Simplify right side
    291,535.06x = 56,459,065,450.43
  5. Step 5: Solve for x
    x = 56,459,065,450.43/291,535.06
  6. Step 6: Final answer
    x = 193,661.32

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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.