Home / 277,677.33-416,532.15-78,013.29

Finding the Fourth Proportional to 277,677.33, 416,532.15 and 78,013.29

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Solution

The fourth proportional to 277,677.33, 416,532.15 and 78,013.29 is: 117,024.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,677.33 : 416,532.15 = 78,013.29 : x
  2. Step 2: Convert to fraction form
    277,677.33/416,532.15 = 78,013.29/x
  3. Step 3: Cross multiply
    277,677.33x = 416,532.15 × 78,013.29
  4. Step 4: Simplify right side
    277,677.33x = 32,495,043,022.21
  5. Step 5: Solve for x
    x = 32,495,043,022.21/277,677.33
  6. Step 6: Final answer
    x = 117,024.47

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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.