Home / 277,929.29-416,918.56-78,251.41

Finding the Fourth Proportional to 277,929.29, 416,918.56 and 78,251.41

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Solution

The fourth proportional to 277,929.29, 416,918.56 and 78,251.41 is: 117,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,929.29 : 416,918.56 = 78,251.41 : x
  2. Step 2: Convert to fraction form
    277,929.29/416,918.56 = 78,251.41/x
  3. Step 3: Cross multiply
    277,929.29x = 416,918.56 × 78,251.41
  4. Step 4: Simplify right side
    277,929.29x = 32,624,464,474.83
  5. Step 5: Solve for x
    x = 32,624,464,474.83/277,929.29
  6. Step 6: Final answer
    x = 117,384.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.