Home / 277,440.12-382,865.81-156,620.66

Finding the Fourth Proportional to 277,440.12, 382,865.81 and 156,620.66

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Solution

The fourth proportional to 277,440.12, 382,865.81 and 156,620.66 is: 216,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,440.12 : 382,865.81 = 156,620.66 : x
  2. Step 2: Convert to fraction form
    277,440.12/382,865.81 = 156,620.66/x
  3. Step 3: Cross multiply
    277,440.12x = 382,865.81 × 156,620.66
  4. Step 4: Simplify right side
    277,440.12x = 59,964,693,156.20
  5. Step 5: Solve for x
    x = 59,964,693,156.20/277,440.12
  6. Step 6: Final answer
    x = 216,135.62

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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.