Home / 277,213.56-382,554.19-156,354.47

Finding the Fourth Proportional to 277,213.56, 382,554.19 and 156,354.47

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Solution

The fourth proportional to 277,213.56, 382,554.19 and 156,354.47 is: 215,768.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,213.56 : 382,554.19 = 156,354.47 : x
  2. Step 2: Convert to fraction form
    277,213.56/382,554.19 = 156,354.47/x
  3. Step 3: Cross multiply
    277,213.56x = 382,554.19 × 156,354.47
  4. Step 4: Simplify right side
    277,213.56x = 59,814,054,929.19
  5. Step 5: Solve for x
    x = 59,814,054,929.19/277,213.56
  6. Step 6: Final answer
    x = 215,768.87

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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.