Home / 319,716.42-441,208.68-176,476.50

Finding the Fourth Proportional to 319,716.42, 441,208.68 and 176,476.50

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Solution

The fourth proportional to 319,716.42, 441,208.68 and 176,476.50 is: 243,537.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,716.42 : 441,208.68 = 176,476.50 : x
  2. Step 2: Convert to fraction form
    319,716.42/441,208.68 = 176,476.50/x
  3. Step 3: Cross multiply
    319,716.42x = 441,208.68 × 176,476.50
  4. Step 4: Simplify right side
    319,716.42x = 77,862,963,616.02
  5. Step 5: Solve for x
    x = 77,862,963,616.02/319,716.42
  6. Step 6: Final answer
    x = 243,537.58

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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.