Home / 319,680.66-441,158.42-176,439.72

Finding the Fourth Proportional to 319,680.66, 441,158.42 and 176,439.72

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Solution

The fourth proportional to 319,680.66, 441,158.42 and 176,439.72 is: 243,486.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,680.66 : 441,158.42 = 176,439.72 : x
  2. Step 2: Convert to fraction form
    319,680.66/441,158.42 = 176,439.72/x
  3. Step 3: Cross multiply
    319,680.66x = 441,158.42 × 176,439.72
  4. Step 4: Simplify right side
    319,680.66x = 77,837,868,100.44
  5. Step 5: Solve for x
    x = 77,837,868,100.44/319,680.66
  6. Step 6: Final answer
    x = 243,486.32

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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.