Home / 319,936.76-441,516.30-176,693.48

Finding the Fourth Proportional to 319,936.76, 441,516.30 and 176,693.48

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Solution

The fourth proportional to 319,936.76, 441,516.30 and 176,693.48 is: 243,838.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,936.76 : 441,516.30 = 176,693.48 : x
  2. Step 2: Convert to fraction form
    319,936.76/441,516.30 = 176,693.48/x
  3. Step 3: Cross multiply
    319,936.76x = 441,516.30 × 176,693.48
  4. Step 4: Simplify right side
    319,936.76x = 78,013,051,523.72
  5. Step 5: Solve for x
    x = 78,013,051,523.72/319,936.76
  6. Step 6: Final answer
    x = 243,838.97

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1.5x scale

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.