Home / 319,715.88-441,176.43-176,466.63

Finding the Fourth Proportional to 319,715.88, 441,176.43 and 176,466.63

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Solution

The fourth proportional to 319,715.88, 441,176.43 and 176,466.63 is: 243,506.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,715.88 : 441,176.43 = 176,466.63 : x
  2. Step 2: Convert to fraction form
    319,715.88/441,176.43 = 176,466.63/x
  3. Step 3: Cross multiply
    319,715.88x = 441,176.43 × 176,466.63
  4. Step 4: Simplify right side
    319,715.88x = 77,852,917,837.53
  5. Step 5: Solve for x
    x = 77,852,917,837.53/319,715.88
  6. Step 6: Final answer
    x = 243,506.57

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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.