Home / 307,515.60-461,196.86-107,842.50

Finding the Fourth Proportional to 307,515.60, 461,196.86 and 107,842.50

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Solution

The fourth proportional to 307,515.60, 461,196.86 and 107,842.50 is: 161,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,515.60 : 461,196.86 = 107,842.50 : x
  2. Step 2: Convert to fraction form
    307,515.60/461,196.86 = 107,842.50/x
  3. Step 3: Cross multiply
    307,515.60x = 461,196.86 × 107,842.50
  4. Step 4: Simplify right side
    307,515.60x = 49,736,621,835.34
  5. Step 5: Solve for x
    x = 49,736,621,835.34/307,515.60
  6. Step 6: Final answer
    x = 161,736.91

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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.