Home / 319,554.39-440,986.64-176,314.53

Finding the Fourth Proportional to 319,554.39, 440,986.64 and 176,314.53

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Solution

The fourth proportional to 319,554.39, 440,986.64 and 176,314.53 is: 243,314.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,554.39 : 440,986.64 = 176,314.53 : x
  2. Step 2: Convert to fraction form
    319,554.39/440,986.64 = 176,314.53/x
  3. Step 3: Cross multiply
    319,554.39x = 440,986.64 × 176,314.53
  4. Step 4: Simplify right side
    319,554.39x = 77,752,351,286.31
  5. Step 5: Solve for x
    x = 77,752,351,286.31/319,554.39
  6. Step 6: Final answer
    x = 243,314.92

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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.