Home / 146,261.68-219,400.32-46,429.60

Finding the Fourth Proportional to 146,261.68, 219,400.32 and 46,429.60

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Solution

The fourth proportional to 146,261.68, 219,400.32 and 46,429.60 is: 69,646.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,261.68 : 219,400.32 = 46,429.60 : x
  2. Step 2: Convert to fraction form
    146,261.68/219,400.32 = 46,429.60/x
  3. Step 3: Cross multiply
    146,261.68x = 219,400.32 × 46,429.60
  4. Step 4: Simplify right side
    146,261.68x = 10,186,669,097.47
  5. Step 5: Solve for x
    x = 10,186,669,097.47/146,261.68
  6. Step 6: Final answer
    x = 69,646.88

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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.