Home / 319,863.44-441,411.54-176,623.76

Finding the Fourth Proportional to 319,863.44, 441,411.54 and 176,623.76

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Solution

The fourth proportional to 319,863.44, 441,411.54 and 176,623.76 is: 243,740.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,863.44 : 441,411.54 = 176,623.76 : x
  2. Step 2: Convert to fraction form
    319,863.44/441,411.54 = 176,623.76/x
  3. Step 3: Cross multiply
    319,863.44x = 441,411.54 × 176,623.76
  4. Step 4: Simplify right side
    319,863.44x = 77,963,765,902.19
  5. Step 5: Solve for x
    x = 77,963,765,902.19/319,863.44
  6. Step 6: Final answer
    x = 243,740.78

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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.