Home / 251,934.41-347,653.53-138,757.16

Finding the Fourth Proportional to 251,934.41, 347,653.53 and 138,757.16

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Solution

The fourth proportional to 251,934.41, 347,653.53 and 138,757.16 is: 191,476.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,934.41 : 347,653.53 = 138,757.16 : x
  2. Step 2: Convert to fraction form
    251,934.41/347,653.53 = 138,757.16/x
  3. Step 3: Cross multiply
    251,934.41x = 347,653.53 × 138,757.16
  4. Step 4: Simplify right side
    251,934.41x = 48,239,414,748.51
  5. Step 5: Solve for x
    x = 48,239,414,748.51/251,934.41
  6. Step 6: Final answer
    x = 191,476.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.