Home / 346,629.68-519,943.15-109,990.81

Finding the Fourth Proportional to 346,629.68, 519,943.15 and 109,990.81

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Solution

The fourth proportional to 346,629.68, 519,943.15 and 109,990.81 is: 164,985.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,629.68 : 519,943.15 = 109,990.81 : x
  2. Step 2: Convert to fraction form
    346,629.68/519,943.15 = 109,990.81/x
  3. Step 3: Cross multiply
    346,629.68x = 519,943.15 × 109,990.81
  4. Step 4: Simplify right side
    346,629.68x = 57,188,969,009.87
  5. Step 5: Solve for x
    x = 57,188,969,009.87/346,629.68
  6. Step 6: Final answer
    x = 164,985.78

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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.