Home / 461,039.84-691,535.28-141,191.60

Finding the Fourth Proportional to 461,039.84, 691,535.28 and 141,191.60

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Solution

The fourth proportional to 461,039.84, 691,535.28 and 141,191.60 is: 211,779.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,039.84 : 691,535.28 = 141,191.60 : x
  2. Step 2: Convert to fraction form
    461,039.84/691,535.28 = 141,191.60/x
  3. Step 3: Cross multiply
    461,039.84x = 691,535.28 × 141,191.60
  4. Step 4: Simplify right side
    461,039.84x = 97,638,972,639.65
  5. Step 5: Solve for x
    x = 97,638,972,639.65/461,039.84
  6. Step 6: Final answer
    x = 211,779.90

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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.