Home / 307,837.53-461,802.46-108,122.71

Finding the Fourth Proportional to 307,837.53, 461,802.46 and 108,122.71

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Solution

The fourth proportional to 307,837.53, 461,802.46 and 108,122.71 is: 162,200.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,837.53 : 461,802.46 = 108,122.71 : x
  2. Step 2: Convert to fraction form
    307,837.53/461,802.46 = 108,122.71/x
  3. Step 3: Cross multiply
    307,837.53x = 461,802.46 × 108,122.71
  4. Step 4: Simplify right side
    307,837.53x = 49,931,333,459.87
  5. Step 5: Solve for x
    x = 49,931,333,459.87/307,837.53
  6. Step 6: Final answer
    x = 162,200.28

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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.