Home / 231,199.09-346,995.47-91,056.13

Finding the Fourth Proportional to 231,199.09, 346,995.47 and 91,056.13

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Solution

The fourth proportional to 231,199.09, 346,995.47 and 91,056.13 is: 136,661.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,199.09 : 346,995.47 = 91,056.13 : x
  2. Step 2: Convert to fraction form
    231,199.09/346,995.47 = 91,056.13/x
  3. Step 3: Cross multiply
    231,199.09x = 346,995.47 × 91,056.13
  4. Step 4: Simplify right side
    231,199.09x = 31,596,062,435.47
  5. Step 5: Solve for x
    x = 31,596,062,435.47/231,199.09
  6. Step 6: Final answer
    x = 136,661.71

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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.